------------[ cut here ]------------
Buffer I/O error on dev sr0, logical block 2, async page read
kernfs_put: syz4/pids.events: released with incorrect active_ref 0
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
WARNING: CPU: 1 PID: 11024 at fs/kernfs/dir.c:531 kernfs_put.part.0+0x433/0x540
Modules linked in:
CPU: 1 PID: 11024 Comm: kworker/1:2 Not tainted 5.19.0-rc4-next-20220701 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
------------[ cut here ]------------
Workqueue: events kernfs_notify_workfn
RIP: 0010:kernfs_put.part.0+0x433/0x540
Code: 03 80 3c 18 00 0f 85 ea 00 00 00 4d 8b 7d 38 e8 53 42 a7 ff 48 8b 14 24 44 89 f1 4c 89 fe 48 c7 c7 a0 58 72 84 e8 97 1c 6c 02 <0f> 0b e9 b9 fc ff ff 48 89 ef e8 8e b6 d9 ff e9 c1 fd ff ff e8 84
RSP: 0018:ffff8880475bfbd8 EFLAGS: 00010286
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: ffff888019c89ac0 RSI: ffffffff812b6848 RDI: ffffed1008eb7f6d
RBP: ffff88801a96b208 R08: 0000000000000005 R09: 0000000000000000
WARNING: CPU: 0 PID: 9 at fs/kernfs/dir.c:504 kernfs_get.part.0+0x69/0x80
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88801a96b1d0
Modules linked in:
R13: ffff88804483dd98 R14: 0000000000000000 R15: ffff888044843618
CPU: 0 PID: 9 Comm: kworker/0:1H Not tainted 5.19.0-rc4-next-20220701 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
Workqueue: kblockd blk_mq_run_work_fn
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
RIP: 0010:kernfs_get.part.0+0x69/0x80
CR2: 0000001b2bd23000 CR3: 0000000017504000 CR4: 0000000000350ee0
Code: 31 ff 89 ee e8 a8 43 a7 ff 85 ed 74 18 e8 cf 46 a7 ff be 04 00 00 00 48 89 df e8 52 be d9 ff f0 ff 03 5b 5d c3 e8 b7 46 a7 ff <0f> 0b eb df 48 89 df e8 fb ba d9 ff eb c6 66 0f 1f 84 00 00 00 00
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
RSP: 0018:ffff88806ce09c80 EFLAGS: 00010046
DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400
RAX: 0000000000000000 RBX: ffff88801a96b1d0 RCX: 0000000000000100
RDX: ffff888008228000 RSI: ffffffff819d2579 RDI: 0000000000000005
Call Trace:
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
R13: 1ffffffff0a01e40 R14: ffff88801a96b1d0 R15: ffff88800d873d30
FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
kernfs_put+0x42/0x50
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000010c CR3: 000000004578e000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kernfs_notify_workfn+0x417/0x560
DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400
Call Trace:
kernfs_get+0x1b/0x30
kernfs_notify+0x180/0x350
cgroup_file_notify+0xf5/0x1a0
call_timer_fn+0x17d/0x5f0
process_one_work+0xa0f/0x1690
__run_timers.part.0+0x65e/0xa50
run_timer_softirq+0xae/0x1a0
__do_softirq+0x1c8/0x8cc
worker_thread+0x637/0x1250
__irq_exit_rcu+0x113/0x170
irq_exit_rcu+0x5/0x20
sysvec_apic_timer_interrupt+0x8e/0xc0
asm_sysvec_apic_timer_interrupt+0x1b/0x20
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60
Code: 48 89 ef 5d e9 d1 d4 31 00 be 03 00 00 00 5d e9 c6 69 c3 00 66 0f 1f 44 00 00 48 8b be a8 01 00 00 e8 b4 ff ff ff 31 c0 c3 90 <65> 8b 05 49 02 be 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b
RSP: 0018:ffff888008237430 EFLAGS: 00000202
RAX: 000000000005a979 RBX: 0000000000000000 RCX: ffffffff8128663f
kthread+0x2ed/0x3a0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff888008237470 R08: 0000000000000001 R09: ffffffff86a5c80f
R10: fffffbfff0d4b901 R11: 0000000000000001 R12: 000000000000002a
R13: ffff888019c89ac0 R14: 0000000000000200 R15: ffff888008237590
ret_from_fork+0x22/0x30
vprintk_emit+0x3c4/0x550
dev_vprintk_emit+0x369/0x3b3
irq event stamp: 90061
hardirqs last enabled at (90067): [] vprintk_emit+0x4fe/0x550
dev_printk_emit+0xba/0xf1
hardirqs last disabled at (90072): [] vprintk_emit+0x495/0x550
softirqs last enabled at (89972): [] __irq_exit_rcu+0x113/0x170
__dev_printk+0xcf/0xf5
softirqs last disabled at (89963): [] __irq_exit_rcu+0x113/0x170
_dev_printk+0xd0/0x104
---[ end trace 0000000000000000 ]---
scmd_printk.cold+0x38/0x4f
sr_init_command+0x8d3/0xa00
scsi_queue_rq+0x12e1/0x31e0
blk_mq_dispatch_rq_list+0x6c2/0x21d0
blk_mq_do_dispatch_sched+0x916/0xc30
__blk_mq_sched_dispatch_requests+0x26d/0x3e0
blk_mq_sched_dispatch_requests+0x106/0x190
__blk_mq_run_hw_queue+0xff/0x350
blk_mq_run_work_fn+0x55/0x70
process_one_work+0xa0f/0x1690
worker_thread+0x637/0x1250
kthread+0x2ed/0x3a0
ret_from_fork+0x22/0x30
irq event stamp: 371073
hardirqs last enabled at (371072): [] _raw_spin_unlock_irq+0x1f/0x40
hardirqs last disabled at (371073): [] _raw_spin_lock_irqsave+0x4e/0x50
softirqs last enabled at (371018): [] __irq_exit_rcu+0x113/0x170
softirqs last disabled at (371067): [] __irq_exit_rcu+0x113/0x170
---[ end trace 0000000000000000 ]---
==================================================================
BUG: KASAN: use-after-free in kernfs_get.part.0+0x5e/0x80
Write of size 4 at addr ffff88801a96b1d0 by task kworker/0:1H/9
CPU: 0 PID: 9 Comm: kworker/0:1H Tainted: G W 5.19.0-rc4-next-20220701 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
Workqueue: kblockd blk_mq_run_work_fn
Call Trace:
dump_stack_lvl+0x8b/0xb3
print_report.cold+0x5e/0x5e1
kasan_report+0xb1/0x1b0
kasan_check_range+0x35/0x1b0
kernfs_get.part.0+0x5e/0x80
kernfs_get+0x1b/0x30
kernfs_notify+0x180/0x350
cgroup_file_notify+0xf5/0x1a0
call_timer_fn+0x17d/0x5f0
__run_timers.part.0+0x65e/0xa50
run_timer_softirq+0xae/0x1a0
__do_softirq+0x1c8/0x8cc
__irq_exit_rcu+0x113/0x170
irq_exit_rcu+0x5/0x20
sysvec_apic_timer_interrupt+0x8e/0xc0
asm_sysvec_apic_timer_interrupt+0x1b/0x20
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60
Code: 48 89 ef 5d e9 d1 d4 31 00 be 03 00 00 00 5d e9 c6 69 c3 00 66 0f 1f 44 00 00 48 8b be a8 01 00 00 e8 b4 ff ff ff 31 c0 c3 90 <65> 8b 05 49 02 be 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b
RSP: 0018:ffff888008237430 EFLAGS: 00000202
RAX: 000000000005a979 RBX: 0000000000000000 RCX: ffffffff8128663f
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff888008237470 R08: 0000000000000001 R09: ffffffff86a5c80f
R10: fffffbfff0d4b901 R11: 0000000000000001 R12: 000000000000002a
R13: ffff888019c89ac0 R14: 0000000000000200 R15: ffff888008237590
vprintk_emit+0x3c4/0x550
dev_vprintk_emit+0x369/0x3b3
dev_printk_emit+0xba/0xf1
__dev_printk+0xcf/0xf5
_dev_printk+0xd0/0x104
scmd_printk.cold+0x38/0x4f
sr_init_command+0x8d3/0xa00
scsi_queue_rq+0x12e1/0x31e0
blk_mq_dispatch_rq_list+0x6c2/0x21d0
blk_mq_do_dispatch_sched+0x916/0xc30
__blk_mq_sched_dispatch_requests+0x26d/0x3e0
blk_mq_sched_dispatch_requests+0x106/0x190
__blk_mq_run_hw_queue+0xff/0x350
blk_mq_run_work_fn+0x55/0x70
process_one_work+0xa0f/0x1690
worker_thread+0x637/0x1250
kthread+0x2ed/0x3a0
ret_from_fork+0x22/0x30
Allocated by task 613:
kasan_save_stack+0x1e/0x40
__kasan_slab_alloc+0x66/0x80
kmem_cache_alloc+0x1b1/0x490
__kernfs_new_node+0xd4/0x8b0
kernfs_new_node+0x93/0x120
__kernfs_create_file+0x51/0x350
cgroup_addrm_files+0x3e2/0x9d0
css_populate_dir+0x19b/0x450
cgroup_apply_control_enable+0x3ae/0xa40
cgroup_mkdir+0x824/0x11f0
kernfs_iop_mkdir+0x149/0x1d0
vfs_mkdir+0x417/0x6a0
do_mkdirat+0x17b/0x2e0
__x64_sys_mkdir+0xf2/0x140
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x46/0xb0
Freed by task 11024:
kasan_save_stack+0x1e/0x40
kasan_set_track+0x21/0x30
kasan_set_free_info+0x20/0x30
__kasan_slab_free+0x108/0x190
kmem_cache_free+0xfb/0x600
kernfs_put.part.0+0x2c7/0x540
kernfs_put+0x42/0x50
kernfs_notify_workfn+0x417/0x560
process_one_work+0xa0f/0x1690
worker_thread+0x637/0x1250
kthread+0x2ed/0x3a0
ret_from_fork+0x22/0x30
The buggy address belongs to the object at ffff88801a96b1d0
which belongs to the cache kernfs_node_cache of size 168
The buggy address is located 0 bytes inside of
168-byte region [ffff88801a96b1d0, ffff88801a96b278)
The buggy address belongs to the physical page:
page:00000000f813d8cf refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1a96b
flags: 0x100000000000200(slab|node=0|zone=1)
raw: 0100000000000200 0000000000000000 dead000000000122 ffff8880080718c0
raw: 0000000000000000 0000000000110011 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff88801a96b080: 00 00 00 00 00 fc fc fc fc fc fc fc fc 00 00 00
ffff88801a96b100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88801a96b180: 00 00 fc fc fc fc fc fc fc fc fa fb fb fb fb fb
^
ffff88801a96b200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc
ffff88801a96b280: fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 00
==================================================================
loop7: detected capacity change from 0 to 127
I/O error, dev sr0, sector 3 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
nfs4: Unknown parameter '/'
Buffer I/O error on dev sr0, logical block 3, async page read
ieee802154 phy0 wpan0: encryption failed: -22
loop7: detected capacity change from 0 to 127
nfs4: Unknown parameter '/'
ieee802154 phy0 wpan0: encryption failed: -22
loop7: detected capacity change from 0 to 127
nfs4: Unknown parameter '/'
general protection fault, probably for non-canonical address 0x3fdf0b42d8bffc8: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 PID: 13268 Comm: systemd-udevd Tainted: G B W 5.19.0-rc4-next-20220701 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:qlist_free_all+0xaf/0x190
Code: 80 4c 01 c2 0f 82 f0 00 00 00 48 c7 c0 00 00 00 80 48 2b 05 53 36 7c 03 48 01 d0 48 c1 e8 0c 48 c1 e0 06 48 03 05 31 36 7c 03 <48> 8b 48 08 48 89 c2 f6 c1 01 0f 85 b6 00 00 00 0f 1f 44 00 00 48
RSP: 0018:ffff88804bfefa00 EFLAGS: 00010207
RAX: 03fdf0b42d8bffc0 RBX: ff81358b62ffffff RCX: 1ffffffff0b1d44d
RDX: ff81358be2ffffff RSI: 0000000000000008 RDI: ffffffff81764e81
RBP: 0000000000000000 R08: ff81358b62ffffff R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: ffff88804bfefa40 R14: 0000000000000000 R15: ffff88800d454cdd
FS: 00007f69ce7618c0(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffca2060ff8 CR3: 000000004526c000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400
Call Trace:
kasan_quarantine_reduce+0x180/0x200
__kasan_slab_alloc+0x78/0x80
kmem_cache_alloc+0x1b1/0x490
__create_object.isra.0+0x3d/0xc10
kmem_cache_alloc+0x247/0x490
mas_alloc_nodes+0x36e/0x6a0
mas_preallocate+0xff/0x2d0
do_mas_align_munmap.constprop.0+0x111/0xff0
do_mas_munmap+0x1e8/0x2b0
__vm_munmap+0x14c/0x280
__x64_sys_munmap+0x55/0x80
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7f69cec1abf7
Code: 38 eb 85 48 8b 15 99 52 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb 85 66 2e 0f 1f 84 00 00 00 00 00 90 b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 69 52 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007ffca2063308 EFLAGS: 00000206 ORIG_RAX: 000000000000000b
RAX: ffffffffffffffda RBX: 0000556c06cdcb58 RCX: 00007f69cec1abf7
RDX: 00000000ffffffff RSI: 0000000000a38e0a RDI: 00007f69cd3ec000
RBP: 0000556c08a3e520 R08: abfe6dd8b923ce3f R09: 31b75ffcb7c361dd
R10: 6780f4ceda6be30a R11: 0000000000000206 R12: 0000556c08a739d0
R13: 0000556c08a67c30 R14: 00007ffca20633e0 R15: 0000556c08a6d360
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:qlist_free_all+0xaf/0x190
Code: 80 4c 01 c2 0f 82 f0 00 00 00 48 c7 c0 00 00 00 80 48 2b 05 53 36 7c 03 48 01 d0 48 c1 e8 0c 48 c1 e0 06 48 03 05 31 36 7c 03 <48> 8b 48 08 48 89 c2 f6 c1 01 0f 85 b6 00 00 00 0f 1f 44 00 00 48
RSP: 0018:ffff88804bfefa00 EFLAGS: 00010207
RAX: 03fdf0b42d8bffc0 RBX: ff81358b62ffffff RCX: 1ffffffff0b1d44d
RDX: ff81358be2ffffff RSI: 0000000000000008 RDI: ffffffff81764e81
RBP: 0000000000000000 R08: ff81358b62ffffff R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: ffff88804bfefa40 R14: 0000000000000000 R15: ffff88800d454cdd
FS: 00007f69ce7618c0(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffca2060ff8 CR3: 000000004526c000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400
------------[ cut here ]------------
WARNING: CPU: 0 PID: 112 at mm/kasan/shadow.c:134 kasan_unpoison+0x42/0x50
Modules linked in:
CPU: 0 PID: 112 Comm: systemd-journal Tainted: G B D W 5.19.0-rc4-next-20220701 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:kasan_unpoison+0x42/0x50
Code: 89 fb 48 83 c6 01 e8 7d fe ff ff 48 89 e8 83 e0 07 74 14 48 ba 00 00 00 00 00 fc ff df 48 01 eb 48 c1 eb 03 88 04 13 5b 5d c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 41 57 48 89 f8 41 56 48
RSP: 0018:ffff888018107938 EFLAGS: 00010206
RAX: 0000000003113680 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000170 RDI: ffff88800d454cdd
RBP: ffff88800784f780 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800d454cdd
R13: 0000000000092cc0 R14: 0000000000092cc0 R15: 0000000000092cc0
FS: 00007fdd610d4900(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffca2060ff8 CR3: 00000000087ec000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400
Call Trace:
__kasan_slab_alloc+0x2c/0x80
kmem_cache_alloc+0x1b1/0x490
__create_object.isra.0+0x3d/0xc10
kmem_cache_alloc+0x247/0x490
security_file_alloc+0x34/0x170
__alloc_file+0xb6/0x230
alloc_empty_file+0x6d/0x170
path_openat+0xe1/0x2890
do_filp_open+0x1aa/0x400
do_sys_openat2+0x16d/0x4c0
__x64_sys_openat+0x13f/0x1f0
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7fdd6198dc64
Code: 84 00 00 00 00 00 44 89 54 24 0c e8 36 61 f9 ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 68 61 f9 ff 8b 44
RSP: 002b:00007fffd386f750 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000056504b54cd60 RCX: 00007fdd6198dc64
RDX: 0000000000080802 RSI: 000056504b5677d0 RDI: 00000000ffffff9c
RBP: 000056504b5677d0 R08: 0000000000000000 R09: ffffffffffffff01
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000080802
R13: 00000000fffffffa R14: 000056504b55c510 R15: 0000000000000002
irq event stamp: 6707685
hardirqs last enabled at (6707685): [] step_into+0x14d4/0x1d30
hardirqs last disabled at (6707684): [] step_into+0x14a6/0x1d30
softirqs last enabled at (6707454): [] __irq_exit_rcu+0x113/0x170
softirqs last disabled at (6707445): [] __irq_exit_rcu+0x113/0x170
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 112 at kernel/rcu/tree.c:2776 call_rcu+0x6c6/0xa20
Modules linked in:
CPU: 0 PID: 112 Comm: systemd-journal Tainted: G B D W 5.19.0-rc4-next-20220701 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:call_rcu+0x6c6/0xa20
Code: c1 ea 03 80 3c 02 00 0f 85 c0 02 00 00 48 8b 85 a0 00 00 00 48 85 c0 0f 85 37 fa ff ff 4c 89 ff e8 bf d0 00 00 e9 2a fa ff ff <0f> 0b e9 50 f9 ff ff e8 0e 2e ff ff e9 05 fc ff ff e8 b4 f9 45 00
RSP: 0018:ffff888018107da8 EFLAGS: 00010206
RAX: 0000000000000000 RBX: ffff88800d454d5d RCX: ffffffff817a3dc4
RDX: 0000000000000000 RSI: ffffffff817a3680 RDI: 0000000000000005
RBP: ffff888018107e30 R08: 0000000000000001 R09: ffff88800d454d70
R10: ffffed1001a8a9ae R11: 0000000000000001 R12: ffffffff817a3680
R13: ffffffff81e2540a R14: 0000000000000000 R15: ffff88800806f280
FS: 00007fdd610d4900(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffca2060ff8 CR3: 00000000087ec000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400
Call Trace:
kmem_cache_free+0xc1/0x600
security_file_free+0xaa/0xd0
__fput+0x3c2/0x9d0
task_work_run+0xe2/0x1a0
exit_to_user_mode_prepare+0x199/0x1a0
syscall_exit_to_user_mode+0x19/0x40
do_syscall_64+0x48/0x90
entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7fdd6198dc64
Code: 84 00 00 00 00 00 44 89 54 24 0c e8 36 61 f9 ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 68 61 f9 ff 8b 44
RSP: 002b:00007fffd386f750 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: fffffffffffffffe RBX: 000056504b54cd60 RCX: 00007fdd6198dc64
RDX: 0000000000080802 RSI: 000056504b5677d0 RDI: 00000000ffffff9c
RBP: 000056504b5677d0 R08: 0000000000000000 R09: ffffffffffffff01
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000080802
R13: 00000000fffffffa R14: 000056504b55c510 R15: 0000000000000002
irq event stamp: 6707685
hardirqs last enabled at (6707685): [] step_into+0x14d4/0x1d30
hardirqs last disabled at (6707684): [] step_into+0x14a6/0x1d30
softirqs last enabled at (6707454): [] __irq_exit_rcu+0x113/0x170
softirqs last disabled at (6707445): [] __irq_exit_rcu+0x113/0x170
---[ end trace 0000000000000000 ]---
ata2.00: qc timeout (cmd 0xa0)
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
ata2.00: BMDMA stat 0x5
ata2.00: cmd a0/01:00:00:00:08/00:00:00:00:00/a0 tag 0 dma 2048 in
Read(10) 28 00 00 00 00 01 00 00 01 00res 41/20:03:00:00:08/00:00:00:00:00/a0 Emask 0x5 (timeout)
ata2.00: status: { DRDY ERR }
ata2: soft resetting link
ata2: found unknown device (class 0)
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Code disassembly (best guess):
0: 48 89 ef mov %rbp,%rdi
3: 5d pop %rbp
4: e9 d1 d4 31 00 jmpq 0x31d4da
9: be 03 00 00 00 mov $0x3,%esi
e: 5d pop %rbp
f: e9 c6 69 c3 00 jmpq 0xc369da
14: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1)
1a: 48 8b be a8 01 00 00 mov 0x1a8(%rsi),%rdi
21: e8 b4 ff ff ff callq 0xffffffda
26: 31 c0 xor %eax,%eax
28: c3 retq
29: 90 nop
* 2a: 65 8b 05 49 02 be 7e mov %gs:0x7ebe0249(%rip),%eax # 0x7ebe027a <-- trapping instruction
31: 89 c1 mov %eax,%ecx
33: 48 8b 34 24 mov (%rsp),%rsi
37: 81 e1 00 01 00 00 and $0x100,%ecx
3d: 65 gs
3e: 48 rex.W
3f: 8b .byte 0x8b