* Re: KMSAN: uninit-value in sock_hash_delete_elem
[not found] <PN2PR01MB489118B0901BB49F1880F759FCC82@PN2PR01MB4891.INDPRD01.PROD.OUTLOOK.COM>
@ 2024-06-20 5:56 ` syzbot
2024-06-20 6:15 ` [syzbot] [net?] [bpf?] " syzbot
1 sibling, 0 replies; 7+ messages in thread
From: syzbot @ 2024-06-20 5:56 UTC (permalink / raw)
To: wojciech.gladysz; +Cc: wojciech.gladysz, linux-kernel, syzkaller-bugs
> #syz test: https://linux.googlesource.com/linux/kernel/git/torvalds/linux 0daa6e5ed1ccdeb65e07d4884961a8bb288a0f54
> #syz test: https://linux.googlesource.com/linux/kernel/git/torvalds/linux
> The information in this email is confidential and may be legally privileged. It is intended solely for the addressee and access to it by anyone else is unauthorized. If you are not the intended recipient, any disclosure, copying, distribution or any action taken or omitted to be taken based on it, is strictly prohibited and may be unlawful.
Command #2:
want either no args or 2 args (repo, branch), got 59
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: [syzbot] [net?] [bpf?] KMSAN: uninit-value in sock_hash_delete_elem
[not found] <PN2PR01MB489118B0901BB49F1880F759FCC82@PN2PR01MB4891.INDPRD01.PROD.OUTLOOK.COM>
2024-06-20 5:56 ` KMSAN: uninit-value in sock_hash_delete_elem syzbot
@ 2024-06-20 6:15 ` syzbot
1 sibling, 0 replies; 7+ messages in thread
From: syzbot @ 2024-06-20 6:15 UTC (permalink / raw)
To: linux-kernel, syzkaller-bugs, wojciech.gladysz
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
failed to checkout kernel repo https://linux.googlesource.com/linux/kernel/git/torvalds/linux on commit 0daa6e5ed1ccdeb65e07d4884961a8bb288a0f54: failed to run ["git" "checkout" "0daa6e5ed1ccdeb65e07d4884961a8bb288a0f54"]: exit status 128
fatal: Cannot switch branch to a non-commit '0daa6e5ed1ccdeb65e07d4884961a8bb288a0f54'
Tested on:
commit: [unknown
git tree: https://linux.googlesource.com/linux/kernel/git/torvalds/linux 0daa6e5ed1ccdeb65e07d4884961a8bb288a0f54
kernel config: https://syzkaller.appspot.com/x/.config?x=13e7da432565d94c
dashboard link: https://syzkaller.appspot.com/bug?extid=c33bff5d5da1391df027
compiler:
Note: no patches were applied.
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: [syzbot] [net?] [bpf?] KMSAN: uninit-value in sock_hash_delete_elem
[not found] <20240701100153.10990-1-wojciech.gladysz@infogain.com>
@ 2024-07-01 12:06 ` syzbot
0 siblings, 0 replies; 7+ messages in thread
From: syzbot @ 2024-07-01 12:06 UTC (permalink / raw)
To: linux-kernel, syzkaller-bugs, wojciech.gladysz
Hello,
syzbot has tested the proposed patch and the reproducer did not trigger any issue:
Reported-and-tested-by: syzbot+c33bff5d5da1391df027@syzkaller.appspotmail.com
Tested on:
commit: e478cf26 Merge branch 'bpf-fix-a-couple-of-test-failur..
git tree: https://linux.googlesource.com/linux/kernel/git/torvalds/linux
console output: https://syzkaller.appspot.com/x/log.txt?x=1398c4be980000
kernel config: https://syzkaller.appspot.com/x/.config?x=e2599baf258ef795
dashboard link: https://syzkaller.appspot.com/bug?extid=c33bff5d5da1391df027
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=123bb5ae980000
Note: testing is done by a robot and is best-effort only.
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: [syzbot] [net?] [bpf?] KMSAN: uninit-value in sock_hash_delete_elem
[not found] <PN2PR01MB489157F204C812E350B53303FCC82@PN2PR01MB4891.INDPRD01.PROD.OUTLOOK.COM>
@ 2024-06-20 8:02 ` syzbot
0 siblings, 0 replies; 7+ messages in thread
From: syzbot @ 2024-06-20 8:02 UTC (permalink / raw)
To: linux-kernel, syzkaller-bugs, wojciech.gladysz
Hello,
syzbot has tested the proposed patch but the reproducer is still triggering an issue:
KMSAN: uninit-value in sock_hash_delete_elem
=====================================================
BUG: KMSAN: uninit-value in spin_lock_bh include/linux/spinlock.h:356 [inline]
BUG: KMSAN: uninit-value in sock_hash_delete_elem+0x490/0x690 net/core/sock_map.c:939
spin_lock_bh include/linux/spinlock.h:356 [inline]
sock_hash_delete_elem+0x490/0x690 net/core/sock_map.c:939
____bpf_map_delete_elem kernel/bpf/helpers.c:77 [inline]
bpf_map_delete_elem+0x5c/0x80 kernel/bpf/helpers.c:73
___bpf_prog_run+0x13fe/0xe0f0 kernel/bpf/core.c:2011
__bpf_prog_run32+0xb2/0xe0 kernel/bpf/core.c:2250
bpf_dispatcher_nop_func include/linux/bpf.h:1233 [inline]
__bpf_prog_run include/linux/filter.h:667 [inline]
bpf_prog_run include/linux/filter.h:674 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2396 [inline]
bpf_trace_run3+0x201/0x500 kernel/trace/bpf_trace.c:2438
__bpf_trace_block_bio_remap+0x34/0x50 include/trace/events/block.h:507
trace_block_bio_remap include/trace/events/block.h:507 [inline]
blk_partition_remap block/blk-core.c:571 [inline]
submit_bio_noacct+0x2449/0x2800 block/blk-core.c:762
submit_bio+0x58a/0x5b0 block/blk-core.c:879
submit_bh_wbc+0x81e/0x890 fs/buffer.c:2804
submit_bh fs/buffer.c:2809 [inline]
write_dirty_buffer+0x1ac/0x1f0 fs/buffer.c:2822
flush_descriptor fs/jbd2/revoke.c:657 [inline]
jbd2_journal_write_revoke_records+0x1c0b/0x1c80 fs/jbd2/revoke.c:562
jbd2_journal_commit_transaction+0x1949/0xa620 fs/jbd2/commit.c:551
kjournald2+0x494/0x900 fs/jbd2/journal.c:201
kthread+0x3e2/0x540 kernel/kthread.c:388
ret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
Local variable stack created at:
__bpf_prog_run32+0x43/0xe0 kernel/bpf/core.c:2250
bpf_dispatcher_nop_func include/linux/bpf.h:1233 [inline]
__bpf_prog_run include/linux/filter.h:667 [inline]
bpf_prog_run include/linux/filter.h:674 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2396 [inline]
bpf_trace_run3+0x201/0x500 kernel/trace/bpf_trace.c:2438
CPU: 0 PID: 4418 Comm: jbd2/sda1-8 Not tainted 6.9.0-rc1-syzkaller-00257-ge478cf26c556 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
=====================================================
Tested on:
commit: e478cf26 Merge branch 'bpf-fix-a-couple-of-test-failur..
git tree: https://linux.googlesource.com/linux/kernel/git/torvalds/linux
console output: https://syzkaller.appspot.com/x/log.txt?x=1663af02980000
kernel config: https://syzkaller.appspot.com/x/.config?x=e2599baf258ef795
dashboard link: https://syzkaller.appspot.com/bug?extid=c33bff5d5da1391df027
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
Note: no patches were applied.
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: [syzbot] [net?] [bpf?] KMSAN: uninit-value in sock_hash_delete_elem
[not found] <PN2PR01MB4891F4EFEAE9CD9E25BBAA6DFCC82@PN2PR01MB4891.INDPRD01.PROD.OUTLOOK.COM>
@ 2024-06-20 6:16 ` syzbot
0 siblings, 0 replies; 7+ messages in thread
From: syzbot @ 2024-06-20 6:16 UTC (permalink / raw)
To: linux-kernel, syzkaller-bugs, wojciech.gladysz
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
failed to checkout kernel repo https://linux.googlesource.com/linux/kernel/git/torvalds/linux on commit 0daa6e5ed1ccdeb65e07d4884961a8bb288a0f54: failed to run ["git" "checkout" "0daa6e5ed1ccdeb65e07d4884961a8bb288a0f54"]: exit status 128
fatal: Cannot switch branch to a non-commit '0daa6e5ed1ccdeb65e07d4884961a8bb288a0f54'
Tested on:
commit: [unknown
git tree: https://linux.googlesource.com/linux/kernel/git/torvalds/linux 0daa6e5ed1ccdeb65e07d4884961a8bb288a0f54
kernel config: https://syzkaller.appspot.com/x/.config?x=13e7da432565d94c
dashboard link: https://syzkaller.appspot.com/bug?extid=c33bff5d5da1391df027
compiler:
Note: no patches were applied.
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: [syzbot] [net?] [bpf?] KMSAN: uninit-value in sock_hash_delete_elem
[not found] <20240614120407.28400-1-wojciech.gladysz@infogain.com>
@ 2024-06-15 15:12 ` syzbot
0 siblings, 0 replies; 7+ messages in thread
From: syzbot @ 2024-06-15 15:12 UTC (permalink / raw)
To: linux-kernel, syzkaller-bugs, wojciech.gladysz
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
46.862565][ T1] IPI shorthand broadcast: enabled
[ 48.390695][ T1] sched_clock: Marking stable (48370050826, 17960846)->(48402924943, -14913271)
[ 49.493182][ T1] Timer migration: 1 hierarchy levels; 8 children per group; 0 crossnode level
[ 49.645015][ T1] registered taskstats version 1
[ 49.719060][ T1] Loading compiled-in X.509 certificates
[ 49.757838][ T1] Loaded X.509 cert 'Build time autogenerated kernel key: 0721be491b560242240f4d386be31dadacd83fb9'
[ 49.999690][ T1] zswap: loaded using pool lzo/zsmalloc
[ 50.009346][ T1] Demotion targets for Node 0: null
[ 50.014859][ T1] Demotion targets for Node 1: null
[ 50.024245][ T1] Key type .fscrypt registered
[ 50.029139][ T1] Key type fscrypt-provisioning registered
[ 50.036215][ T1] kAFS: Red Hat AFS client v0.1 registering.
[ 50.067479][ T1] Btrfs loaded, assert=on, ref-verify=on, zoned=yes, fsverity=yes
[ 50.093752][ T1] Key type encrypted registered
[ 50.098879][ T1] AppArmor: AppArmor sha256 policy hashing enabled
[ 50.105629][ T1] ima: No TPM chip found, activating TPM-bypass!
[ 50.112793][ T1] Loading compiled-in module X.509 certificates
[ 50.155555][ T1] Loaded X.509 cert 'Build time autogenerated kernel key: 0721be491b560242240f4d386be31dadacd83fb9'
[ 50.166713][ T1] ima: Allocated hash algorithm: sha256
[ 50.172789][ T1] ima: No architecture policies found
[ 50.179427][ T1] evm: Initialising EVM extended attributes:
[ 50.185545][ T1] evm: security.selinux (disabled)
[ 50.190767][ T1] evm: security.SMACK64 (disabled)
[ 50.196020][ T1] evm: security.SMACK64EXEC (disabled)
[ 50.201593][ T1] evm: security.SMACK64TRANSMUTE (disabled)
[ 50.207535][ T1] evm: security.SMACK64MMAP (disabled)
[ 50.213128][ T1] evm: security.apparmor
[ 50.217595][ T1] evm: security.ima
[ 50.221508][ T1] evm: security.capability
[ 50.225972][ T1] evm: HMAC attrs: 0x1
[ 50.234955][ T1] PM: Magic number: 12:678:32
[ 50.241542][ T1] tty ttydf: hash matches
[ 50.247287][ T1] printk: legacy console [netcon0] enabled
[ 50.254497][ T1] netconsole: network logging started
[ 50.261482][ T1] gtp: GTP module loaded (pdp ctx size 128 bytes)
[ 50.270457][ T1] rdma_rxe: loaded
[ 50.276235][ T1] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[ 50.295946][ T1] Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[ 50.313521][ T1] Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600'
[ 50.322130][ T1] clk: Disabling unused clocks
[ 50.327068][ T1] ALSA device list:
[ 50.331121][ T1] #0: Dummy 1
[ 50.334711][ T1] #1: Loopback 1
[ 50.339143][ T1] #2: Virtual MIDI Card 1
[ 50.350432][ T1] md: Waiting for all devices to be available before autodetect
[ 50.350717][ T25] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
[ 50.358332][ T1] md: If you don't use raid, use raid=noautodetect
[ 50.358393][ T1] md: Autodetecting RAID arrays.
[ 50.358434][ T1] md: autorun ...
[ 50.358473][ T1] md: ... autorun DONE.
[ 50.388342][ T25] platform regulatory.0: Falling back to sysfs fallback for: regulatory.db
[ 50.481647][ T1] EXT4-fs (sda1): mounted filesystem 5941fea2-f5fa-4b4e-b5ef-9af118b27b95 ro with ordered data mode. Quota mode: none.
[ 50.495006][ T1] VFS: Mounted root (ext4 filesystem) readonly on device 8:1.
[ 50.507343][ T1] devtmpfs: mounted
[ 50.770936][ T1] Freeing unused kernel image (initmem) memory: 36920K
[ 50.782607][ T1] Write protecting the kernel read-only data: 260096k
[ 50.830503][ T1] Freeing unused kernel image (rodata/data gap) memory: 1876K
[ 52.482845][ T1] x86/mm: Checked W+X mappings: passed, no W+X pages found.
[ 52.493217][ T1] x86/mm: Checking user space page tables
[ 53.998271][ T1] x86/mm: Checked W+X mappings: passed, no W+X pages found.
[ 54.007467][ T1] Failed to set sysctl parameter 'kernel.hung_task_all_cpu_backtrace=1': parameter not found
[ 54.031284][ T1] Failed to set sysctl parameter 'max_rcu_stall_to_panic=1': parameter not found
[ 54.043107][ T1] Run /sbin/init as init process
[ 55.620910][ T4446] mount (4446) used greatest stack depth: 8144 bytes left
[ 55.692569][ T4447] EXT4-fs (sda1): re-mounted 5941fea2-f5fa-4b4e-b5ef-9af118b27b95 r/w. Quota mode: none.
mount: mounting smackfs on /sys/fs/smackfs failed: No such file or directory
mount: mounting selinuxfs on /sys/fs/selinux failed: No such file or directory
[ 56.030947][ T4450] mount (4450) used greatest stack depth: 5568 bytes left
Starting syslogd: OK
Starting acpid: OK
Starting klogd: OK
Running sysctl: OK
Populating /dev using udev: [ 59.860978][ T4480] udevd[4480]: starting version 3.2.11
[ 63.448534][ T4481] udevd[4481]: starting eudev-3.2.11
[ 63.461355][ T4480] udevd (4480) used greatest stack depth: 5376 bytes left
done
Starting system message bus: done
Starting iptables: OK
Starting network: OK
Starting dhcpcd...
dhcpcd-9.4.1 starting
dev: loaded udev
DUID 00:04:c7:fd:4a:df:9d:a6:e9:60:55:7b:b4:5b:1f:77:00:5c
no interfaces have a carrier
forked to background, child pid 4694
[ 111.282058][ T4695] 8021q: adding VLAN 0 to HW filter on device bond0
[ 111.333940][ T4695] eql: remember to turn off Van-Jacobson compression on your slave devices
[ 111.851180][ T25] cfg80211: failed to load regulatory.db
Starting sshd: OK
syzkaller
syzkaller login: [ 113.999622][ C0] =====================================================
[ 114.006947][ C0] BUG: KMSAN: uninit-value in receive_buf+0x25e3/0x5fd0
[ 114.014214][ C0] receive_buf+0x25e3/0x5fd0
[ 114.019047][ C0] virtnet_poll+0xd1c/0x23c0
[ 114.023845][ C0] __napi_poll+0xe7/0x980
[ 114.028437][ C0] net_rx_action+0x82a/0x1850
[ 114.033296][ C0] handle_softirqs+0x1ce/0x800
[ 114.038238][ C0] __irq_exit_rcu+0x68/0x120
[ 114.042976][ C0] irq_exit_rcu+0x12/0x20
[ 114.047393][ C0] common_interrupt+0x94/0xa0
[ 114.052272][ C0] asm_common_interrupt+0x2b/0x40
[ 114.057547][ C0] acpi_safe_halt+0x25/0x30
[ 114.062420][ C0] acpi_idle_do_entry+0x22/0x40
[ 114.067438][ C0] acpi_idle_enter+0xa1/0xc0
[ 114.072234][ C0] cpuidle_enter_state+0xcb/0x250
[ 114.077501][ C0] cpuidle_enter+0x7f/0xf0
[ 114.082119][ C0] do_idle+0x551/0x750
[ 114.086349][ C0] cpu_startup_entry+0x65/0x80
[ 114.091272][ C0] rest_init+0x1e8/0x260
[ 114.095675][ C0] start_kernel+0x92c/0xa70
[ 114.100384][ C0] x86_64_start_reservations+0x2e/0x30
[ 114.106047][ C0] x86_64_start_kernel+0x98/0xa0
[ 114.111263][ C0] common_startup_64+0x12c/0x137
[ 114.116564][ C0]
[ 114.119010][ C0] Uninit was created at:
[ 114.123471][ C0] __alloc_pages_noprof+0x9d6/0xe70
[ 114.128864][ C0] alloc_pages_mpol_noprof+0x299/0x990
[ 114.134532][ C0] alloc_pages_noprof+0x1bf/0x1e0
[ 114.139774][ C0] skb_page_frag_refill+0x2bf/0x7c0
[ 114.145167][ C0] virtnet_rq_alloc+0x43/0xbb0
[ 114.150208][ C0] try_fill_recv+0x3f0/0x2f50
[ 114.155069][ C0] virtnet_open+0x1cc/0xb00
[ 114.159814][ C0] __dev_open+0x546/0x6f0
[ 114.164339][ C0] __dev_change_flags+0x309/0x9a0
[ 114.169581][ C0] dev_change_flags+0x8e/0x1d0
[ 114.174515][ C0] devinet_ioctl+0x13ec/0x22c0
[ 114.179650][ C0] inet_ioctl+0x4bd/0x6d0
[ 114.184217][ C0] sock_do_ioctl+0xb7/0x540
[ 114.188902][ C0] sock_ioctl+0x727/0xd70
[ 114.193366][ C0] __se_sys_ioctl+0x261/0x450
[ 114.198305][ C0] __x64_sys_ioctl+0x96/0xe0
[ 114.203035][ C0] x64_sys_call+0x18c0/0x3b90
[ 114.208102][ C0] do_syscall_64+0xcd/0x1e0
[ 114.212760][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 114.218840][ C0]
[ 114.221299][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.10.0-rc3-syzkaller-00022-g90302a82de09 #0
[ 114.231270][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 114.241487][ C0] =====================================================
[ 114.248662][ C0] Disabling lock debugging due to kernel taint
[ 114.254904][ C0] Kernel panic - not syncing: kmsan.panic set ...
[ 114.261375][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G B 6.10.0-rc3-syzkaller-00022-g90302a82de09 #0
[ 114.272855][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 114.283040][ C0] Call Trace:
[ 114.286385][ C0] <IRQ>
[ 114.289279][ C0] dump_stack_lvl+0x216/0x2d0
[ 114.294091][ C0] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[ 114.300049][ C0] dump_stack+0x1e/0x30
[ 114.304329][ C0] panic+0x4e2/0xcd0
[ 114.308315][ C0] ? kmsan_get_metadata+0xb1/0x1d0
[ 114.313630][ C0] kmsan_report+0x2d5/0x2e0
[ 114.318244][ C0] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[ 114.324165][ C0] ? kmsan_get_metadata+0x146/0x1d0
[ 114.329472][ C0] ? __msan_warning+0x95/0x120
[ 114.334350][ C0] ? receive_buf+0x25e3/0x5fd0
[ 114.339235][ C0] ? virtnet_poll+0xd1c/0x23c0
[ 114.344129][ C0] ? __napi_poll+0xe7/0x980
[ 114.348859][ C0] ? net_rx_action+0x82a/0x1850
[ 114.353823][ C0] ? handle_softirqs+0x1ce/0x800
[ 114.358872][ C0] ? __irq_exit_rcu+0x68/0x120
[ 114.363742][ C0] ? irq_exit_rcu+0x12/0x20
[ 114.368333][ C0] ? common_interrupt+0x94/0xa0
[ 114.373295][ C0] ? asm_common_interrupt+0x2b/0x40
[ 114.378595][ C0] ? acpi_safe_halt+0x25/0x30
[ 114.383390][ C0] ? acpi_idle_do_entry+0x22/0x40
[ 114.388528][ C0] ? acpi_idle_enter+0xa1/0xc0
[ 114.393384][ C0] ? cpuidle_enter_state+0xcb/0x250
[ 114.398680][ C0] ? cpuidle_enter+0x7f/0xf0
[ 114.403397][ C0] ? do_idle+0x551/0x750
[ 114.407738][ C0] ? cpu_startup_entry+0x65/0x80
[ 114.412803][ C0] ? rest_init+0x1e8/0x260
[ 114.417343][ C0] ? start_kernel+0x92c/0xa70
[ 114.422151][ C0] ? x86_64_start_reservations+0x2e/0x30
[ 114.427913][ C0] ? x86_64_start_kernel+0x98/0xa0
[ 114.433238][ C0] ? common_startup_64+0x12c/0x137
[ 114.438556][ C0] ? kmsan_internal_memmove_metadata+0x17b/0x230
[ 114.444994][ C0] ? kmsan_get_metadata+0x146/0x1d0
[ 114.450384][ C0] ? kmsan_get_metadata+0x146/0x1d0
[ 114.455777][ C0] ? page_to_skb+0xdae/0x1620
[ 114.460590][ C0] ? kmsan_get_metadata+0x146/0x1d0
[ 114.466005][ C0] __msan_warning+0x95/0x120
[ 114.470702][ C0] receive_buf+0x25e3/0x5fd0
[ 114.475415][ C0] ? kmsan_get_metadata+0x146/0x1d0
[ 114.480723][ C0] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[ 114.486658][ C0] virtnet_poll+0xd1c/0x23c0
[ 114.491392][ C0] ? __pfx_virtnet_poll+0x10/0x10
[ 114.496535][ C0] __napi_poll+0xe7/0x980
[ 114.500975][ C0] ? kmsan_get_metadata+0x146/0x1d0
[ 114.506376][ C0] net_rx_action+0x82a/0x1850
[ 114.511264][ C0] ? sched_clock_cpu+0x55/0x870
[ 114.516222][ C0] ? __pfx_net_rx_action+0x10/0x10
[ 114.521456][ C0] handle_softirqs+0x1ce/0x800
[ 114.526340][ C0] __irq_exit_rcu+0x68/0x120
[ 114.531117][ C0] irq_exit_rcu+0x12/0x20
[ 114.535538][ C0] common_interrupt+0x94/0xa0
[ 114.540324][ C0] </IRQ>
[ 114.543335][ C0] <TASK>
[ 114.546400][ C0] asm_common_interrupt+0x2b/0x40
[ 114.551563][ C0] RIP: 0010:acpi_safe_halt+0x25/0x30
[ 114.557004][ C0] Code: 90 90 90 90 90 55 48 89 e5 65 48 8b 04 25 80 5e 0a 00 48 f7 00 08 00 00 00 75 10 66 90 0f 00 2d eb b8 44 00 f3 0f 1e fa fb f4 <fa> 5d c3 cc cc cc cc 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90
[ 114.576730][ C0] RSP: 0018:ffffffff90e03ce8 EFLAGS: 00000246
[ 114.582968][ C0] RAX: ffffffff90e2bdc0 RBX: ffffffff91286bb0 RCX: 0000000000000001
[ 114.591022][ C0] RDX: ffff88810322e064 RSI: ffffffff91286bb0 RDI: ffff88810322e064
[ 114.599114][ C0] RBP: ffffffff90e03ce8 R08: ffffea000000000f R09: 00000000000000ff
[ 114.607295][ C0] R10: ffff88823f173dc2 R11: ffffffff8f78a590 R12: ffff888103ce3c00
[ 114.615378][ C0] R13: ffffffff91286c30 R14: 0000000000000001 R15: 0000000000000001
[ 114.623533][ C0] ? __pfx_acpi_idle_enter+0x10/0x10
[ 114.628953][ C0] acpi_idle_do_entry+0x22/0x40
[ 114.633915][ C0] acpi_idle_enter+0xa1/0xc0
[ 114.638600][ C0] cpuidle_enter_state+0xcb/0x250
[ 114.643752][ C0] cpuidle_enter+0x7f/0xf0
[ 114.648302][ C0] do_idle+0x551/0x750
[ 114.652474][ C0] cpu_startup_entry+0x65/0x80
[ 114.657345][ C0] rest_init+0x1e8/0x260
[ 114.661722][ C0] start_kernel+0x92c/0xa70
[ 114.666326][ C0] x86_64_start_reservations+0x2e/0x30
[ 114.671913][ C0] x86_64_start_kernel+0x98/0xa0
[ 114.676985][ C0] common_startup_64+0x12c/0x137
[ 114.682081][ C0] </TASK>
[ 114.685493][ C0] Kernel Offset: disabled
[ 114.689884][ C0] Rebooting in 86400 seconds..
syzkaller build log:
go env (err=<nil>)
GO111MODULE='auto'
GOARCH='amd64'
GOBIN=''
GOCACHE='/syzkaller/.cache/go-build'
GOENV='/syzkaller/.config/go/env'
GOEXE=''
GOEXPERIMENT=''
GOFLAGS=''
GOHOSTARCH='amd64'
GOHOSTOS='linux'
GOINSECURE=''
GOMODCACHE='/syzkaller/jobs-2/linux/gopath/pkg/mod'
GONOPROXY=''
GONOSUMDB=''
GOOS='linux'
GOPATH='/syzkaller/jobs-2/linux/gopath'
GOPRIVATE=''
GOPROXY='https://proxy.golang.org,direct'
GOROOT='/usr/local/go'
GOSUMDB='sum.golang.org'
GOTMPDIR=''
GOTOOLCHAIN='auto'
GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64'
GOVCS=''
GOVERSION='go1.21.4'
GCCGO='gccgo'
GOAMD64='v1'
AR='ar'
CC='gcc'
CXX='g++'
CGO_ENABLED='1'
GOMOD='/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.mod'
GOWORK=''
CGO_CFLAGS='-O2 -g'
CGO_CPPFLAGS=''
CGO_CXXFLAGS='-O2 -g'
CGO_FFLAGS='-O2 -g'
CGO_LDFLAGS='-O2 -g'
PKG_CONFIG='pkg-config'
GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build3847290796=/tmp/go-build -gno-record-gcc-switches'
git status (err=<nil>)
HEAD detached at 53df08b6d9
nothing to commit, working tree clean
tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
Makefile:31: run command via tools/syz-env for best compatibility, see:
Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env
go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen
make .descriptions
tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
Makefile:31: run command via tools/syz-env for best compatibility, see:
Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env
bin/syz-sysgen
touch .descriptions
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=53df08b6d9d1467aa178b49a550c7b722fd9aa42 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240408-113412'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer github.com/google/syzkaller/syz-fuzzer
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=53df08b6d9d1467aa178b49a550c7b722fd9aa42 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240408-113412'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=53df08b6d9d1467aa178b49a550c7b722fd9aa42 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240408-113412'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-stress github.com/google/syzkaller/tools/syz-stress
mkdir -p ./bin/linux_amd64
gcc -o ./bin/linux_amd64/syz-executor executor/executor.cc \
-m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \
-DHOSTGOOS_linux=1 -DGIT_REVISION=\"53df08b6d9d1467aa178b49a550c7b722fd9aa42\"
Error text is too large and was truncated, full error text is at:
https://syzkaller.appspot.com/x/error.txt?x=159dd4fa980000
Tested on:
commit: 90302a82 kernel/bpf: KMSAN: uninit-value in htab_lru_p..
git tree: https://linux.googlesource.com/linux/kernel/git/torvalds/linux
kernel config: https://syzkaller.appspot.com/x/.config?x=b97faf4c225206cd
dashboard link: https://syzkaller.appspot.com/bug?extid=c33bff5d5da1391df027
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
Note: no patches were applied.
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: [syzbot] [net?] [bpf?] KMSAN: uninit-value in sock_hash_delete_elem
[not found] <20240614120103.27422-1-wojciech.gladysz@infogain.com>
@ 2024-06-15 7:42 ` syzbot
0 siblings, 0 replies; 7+ messages in thread
From: syzbot @ 2024-06-15 7:42 UTC (permalink / raw)
To: linux-kernel, syzkaller-bugs, wojciech.gladysz
Hello,
syzbot has tested the proposed patch and the reproducer did not trigger any issue:
Reported-and-tested-by: syzbot+c33bff5d5da1391df027@syzkaller.appspotmail.com
Tested on:
commit: e478cf26 Merge branch 'bpf-fix-a-couple-of-test-failur..
git tree: https://linux.googlesource.com/linux/kernel/git/torvalds/linux
console output: https://syzkaller.appspot.com/x/log.txt?x=140ab12e980000
kernel config: https://syzkaller.appspot.com/x/.config?x=e2599baf258ef795
dashboard link: https://syzkaller.appspot.com/bug?extid=c33bff5d5da1391df027
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=168670b6980000
Note: testing is done by a robot and is best-effort only.
^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2024-07-01 12:06 UTC | newest]
Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
[not found] <PN2PR01MB489118B0901BB49F1880F759FCC82@PN2PR01MB4891.INDPRD01.PROD.OUTLOOK.COM>
2024-06-20 5:56 ` KMSAN: uninit-value in sock_hash_delete_elem syzbot
2024-06-20 6:15 ` [syzbot] [net?] [bpf?] " syzbot
[not found] <20240701100153.10990-1-wojciech.gladysz@infogain.com>
2024-07-01 12:06 ` syzbot
[not found] <PN2PR01MB489157F204C812E350B53303FCC82@PN2PR01MB4891.INDPRD01.PROD.OUTLOOK.COM>
2024-06-20 8:02 ` syzbot
[not found] <PN2PR01MB4891F4EFEAE9CD9E25BBAA6DFCC82@PN2PR01MB4891.INDPRD01.PROD.OUTLOOK.COM>
2024-06-20 6:16 ` syzbot
[not found] <20240614120407.28400-1-wojciech.gladysz@infogain.com>
2024-06-15 15:12 ` syzbot
[not found] <20240614120103.27422-1-wojciech.gladysz@infogain.com>
2024-06-15 7:42 ` syzbot
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