ci starts bisection 2023-06-04 10:50:41.989164614 +0000 UTC m=+247795.487119168
bisecting fixing commit since a689b938df39ab513026c53fb7011fd7cd594943
building syzkaller on 1dac8c7a01e2bdd35cb04eb4901ddb157291ac2d
ensuring issue is reproducible on original commit a689b938df39ab513026c53fb7011fd7cd594943
testing commit a689b938df39ab513026c53fb7011fd7cd594943 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 295c7cf247ab4cdc794c5bf5c6c2cbc84d3e105542f4e7381c46ccdb6eeb6a55
run #0: crashed: INFO: rcu detected stall in corrupted
run #1: crashed: INFO: rcu detected stall in corrupted
run #2: crashed: INFO: rcu detected stall in corrupted
run #3: crashed: INFO: rcu detected stall in corrupted
run #4: crashed: INFO: rcu detected stall in corrupted
run #5: crashed: INFO: rcu detected stall in corrupted
run #6: crashed: INFO: rcu detected stall in corrupted
run #7: crashed: INFO: rcu detected stall in corrupted
run #8: crashed: INFO: rcu detected stall in corrupted
run #9: crashed: INFO: rcu detected stall in corrupted
run #10: crashed: INFO: rcu detected stall in corrupted
run #11: crashed: INFO: task hung in find_inode_fast
run #12: crashed: INFO: task hung in find_inode_fast
run #13: crashed: INFO: task hung in find_inode_fast
run #14: crashed: INFO: task hung in find_inode_fast
run #15: crashed: INFO: task hung in find_inode_fast
run #16: OK
run #17: OK
run #18: OK
run #19: OK
testing current HEAD e5282a7d8f6b604f2bb6a06457734b8cf1e2f8f2
testing commit e5282a7d8f6b604f2bb6a06457734b8cf1e2f8f2 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: aed4b9eaf49cdc6b53e80c6fd3b957d47cdb857460764bbadab1239d7157733a
run #0: crashed: INFO: task hung in ext4_evict_ea_inode
run #1: crashed: WARNING: locking bug in ext4_xattr_inode_update_ref
run #2: crashed: INFO: task hung in find_inode_fast
run #3: crashed: INFO: task hung in ext4_evict_ea_inode
run #4: crashed: INFO: task hung in ext4_evict_ea_inode
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
crash still not fixed/happens on the oldest tested release
revisions tested: 2, total time: 42m1.308913041s (build: 21m56.504339147s, test: 19m8.332424038s)
crash still not fixed on HEAD or HEAD had kernel test errors
commit msg: Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
crash: INFO: task hung in ext4_evict_ea_inode
INFO: task syz-executor.0:13089 blocked for more than 143 seconds.
Not tainted 6.4.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:23512 pid:13089 ppid:5338 flags:0x00004004
Call Trace:
__schedule+0x1859/0x48c0
schedule+0xc3/0x180
mb_cache_entry_wait_unused+0x16e/0x200
ext4_evict_ea_inode+0x169/0x2b0
ext4_evict_inode+0x117/0xc40
evict+0x262/0x550
ext4_xattr_set_entry+0x2b14/0x3cf0
ext4_xattr_block_set+0x669/0x3380
ext4_xattr_set_handle+0xb07/0x12d0
ext4_xattr_set+0x218/0x370
__vfs_setxattr+0x334/0x380
__vfs_setxattr_noperm+0x106/0x4c0
vfs_setxattr+0x1d3/0x350
setxattr+0x182/0x1f0
path_setxattr+0x17d/0x230
__x64_sys_setxattr+0xb6/0xd0
do_syscall_64+0x41/0xc0
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fe16f68c0c9
RSP: 002b:00007fe170379168 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc
RAX: ffffffffffffffda RBX: 00007fe16f7abf80 RCX: 00007fe16f68c0c9
RDX: 0000000000000000 RSI: 0000000020000200 RDI: 00000000200001c0
RBP: 00007fe16f6e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc4df11d8f R14: 00007fe170379300 R15: 0000000000022000
INFO: task syz-executor.0:13105 blocked for more than 143 seconds.
Not tainted 6.4.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:25664 pid:13105 ppid:5338 flags:0x00004006
Call Trace:
__schedule+0x1859/0x48c0
schedule+0xc3/0x180
find_inode_fast+0x2e8/0x3d0
iget_locked+0x9b/0x720
__ext4_iget+0x2ab/0x3f30
ext4_xattr_set_entry+0x130c/0x3cf0
ext4_xattr_block_set+0xbeb/0x3380
ext4_xattr_set_handle+0xb07/0x12d0
ext4_xattr_set+0x218/0x370
__vfs_setxattr+0x334/0x380
__vfs_setxattr_noperm+0x106/0x4c0
vfs_setxattr+0x1d3/0x350
setxattr+0x182/0x1f0
path_setxattr+0x17d/0x230
__x64_sys_setxattr+0xb6/0xd0
do_syscall_64+0x41/0xc0
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fe16f68c0c9
RSP: 002b:00007fe170358168 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc
RAX: ffffffffffffffda RBX: 00007fe16f7ac050 RCX: 00007fe16f68c0c9
RDX: 00000000200005c0 RSI: 0000000020000180 RDI: 00000000200000c0
RBP: 00007fe16f6e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000002000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc4df11d8f R14: 00007fe170358300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
#0: ffffffff8bf18bd0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20
1 lock held by rcu_tasks_trace/14:
#0: ffffffff8bf18f90 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20
1 lock held by khungtaskd/28:
#0: ffffffff8bf18a00 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
3 locks held by kworker/u4:3/42:
2 locks held by getty/4729:
#0: ffff88802adb0098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x20/0x60
#1: ffffc900015b02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ed/0x1880
3 locks held by syz-executor.0/13089:
#0: ffff88801d618460 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3a/0x70
#1: ffff888073ffc000 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: vfs_setxattr+0x192/0x350
#2: ffff888073ffbcc8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x23b/0x12d0
3 locks held by syz-executor.0/13105:
#0: ffff88801d618460 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3a/0x70
#1: ffff88806adcca00 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: vfs_setxattr+0x192/0x350
#2: ffff88806adcc6c8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x23b/0x12d0
3 locks held by syz-executor.1/16455:
#0: ffff888059f38460 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3a/0x70
#1: ffff88806af1b600 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: vfs_setxattr+0x192/0x350
#2: ffff88806af1b2c8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x23b/0x12d0
3 locks held by syz-executor.1/16476:
#0: ffff888059f38460 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3a/0x70
#1: ffff888072b60e00 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: vfs_setxattr+0x192/0x350
#2: ffff888072b60ac8 (&ei->xattr_sem){++++}-{3:3}, at: ext4_xattr_set_handle+0x23b/0x12d0
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.4.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
Call Trace:
dump_stack_lvl+0x167/0x220
nmi_cpu_backtrace+0x34f/0x380
nmi_trigger_cpumask_backtrace+0x103/0x1f0
watchdog+0xa7c/0xac0
kthread+0x276/0x2f0
ret_from_fork+0x1f/0x30
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 920 Comm: kworker/u4:4 Not tainted 6.4.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
Workqueue: phy7 ieee80211_iface_work
RIP: 0010:memset_orig+0x75/0xac
Code: 89 47 30 48 89 47 38 48 8d 7f 40 75 d8 0f 1f 84 00 00 00 00 00 89 d1 83 e1 38 74 14 c1 e9 03 66 0f 1f 44 00 00 ff c9 48 89 07 <48> 8d 7f 08 75 f5 83 e2 07 74 0a ff ca 88 07 48 8d 7f 01 75 f6 4c
RSP: 0018:ffffc90004dbf3c8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffffc90004dbf4f8
RBP: ffffc90004dbf4d8 R08: dffffc0000000000 R09: 0000000000000000
R10: ffffc90004dbf4f0 R11: dffffc0000000001 R12: 1ffffffff1b6a97b
R13: 1ffff920009b7e95 R14: ffffffff8100509f R15: ffffc90004dbf4a0
FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc87b10c866 CR3: 000000000bd26000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
unwind_next_frame+0xbf1/0x2200
arch_stack_walk+0x111/0x140
stack_trace_save+0x117/0x1c0
kasan_set_track+0x4f/0x70
kasan_save_free_info+0x2b/0x40
____kasan_slab_free+0xd6/0x120
__kmem_cache_free+0x264/0x3c0
ieee80211_ibss_rx_queued_mgmt+0x18a4/0x25d0
ieee80211_iface_work+0x596/0x9c0
process_one_work+0x797/0xe20
worker_thread+0x8c9/0xfd0
kthread+0x276/0x2f0
ret_from_fork+0x1f/0x30