------------[ cut here ]------------
percpu ref (io_ring_ctx_ref_free) <= 0 (-262781248261375) after switching to atomic
WARNING: lib/percpu-refcount.c:197 at percpu_ref_switch_to_atomic_rcu+0x3cc/0x480, CPU#1: syz-executor.6/4302
Modules linked in:
CPU: 1 UID: 0 PID: 4302 Comm: syz-executor.6 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:percpu_ref_switch_to_atomic_rcu+0x3cc/0x480
Code: 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 80 3c 01 00 0f 85 9e 00 00 00 49 8b 75 e8 48 c7 c7 80 97 e2 84 e8 75 c5 e9 fe 90 <0f> 0b 90 90 e9 2b ff ff ff e8 f6 de 5f ff e9 9e fe ff ff e8 7c df
RSP: 0018:ffff88806cf08e20 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8139de70
RDX: ffff888014b55280 RSI: ffffffff8139de7e RDI: 0000000000000001
RBP: 7fff1100790b3300 R08: 0000000000000001 R09: ffffed100d9e117f
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800c99fa80
R13: ffff88800c99faa0 R14: 0000000000000002 R15: 0000000000000003
FS: 0000000000000000(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005611333e1a48 CR3: 0000000038b7e000 CR4: 0000000000350ef0
Call Trace:
rcu_core+0x7c8/0x1800
handle_softirqs+0x1b1/0x770
__irq_exit_rcu+0xc4/0x100
irq_exit_rcu+0x9/0x20
sysvec_apic_timer_interrupt+0x70/0x80
asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x8/0x20
Code: 00 00 00 e9 1a fe ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 0c 24 <48> 89 f2 48 89 fe bf 07 00 00 00 e9 e8 fd ff ff 0f 1f 84 00 00 00
RSP: 0018:ffff88800f347668 EFLAGS: 00000246
RAX: ffffea0000d06680 RBX: 0000000000000000 RCX: ffffffff819ce980
RDX: ffff888014b55280 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000069 R08: 0000000000000000 R09: fffff940001a0cce
R10: 000000000000786a R11: 0000000000000001 R12: 0000000000000000
R13: 00007f64e8925000 R14: ffff88800f347ad0 R15: 800000003419a007
unmap_page_range+0xa00/0x36d0
unmap_single_vma.constprop.0+0x153/0x230
unmap_vmas+0x1d6/0x430
exit_mmap+0x181/0xaa0
mmput+0xd5/0x390
do_exit+0x79d/0x2970
do_group_exit+0xd3/0x2a0
get_signal+0x2315/0x2340
arch_do_signal_or_restart+0x80/0x790
exit_to_user_mode_loop+0x8b/0x110
do_syscall_64+0x2f7/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f64e9616b19
Code: Unable to access opcode bytes at 0x7f64e9616aef.
RSP: 002b:00007f64e6b8c188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: fffffffffffffe00 RBX: 00007f64e9729f60 RCX: 00007f64e9616b19
RDX: 0000000000000005 RSI: 000000002000f500 RDI: 0000000000000004
RBP: 00007f64e9670f6d R08: 000000002000f640 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdcf4ec9bf R14: 00007f64e6b8c300 R15: 0000000000022000
irq event stamp: 1590
hardirqs last enabled at (1598): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (1607): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (744): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (765): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
percpu_ref_switch_to_atomic_rcu: percpu_ref_switch_to_atomic_rcu(): percpu_ref underflow slab kmalloc-64 start ffff88800c99fa80 pointer offset 0 size 64
Bluetooth: hci3: command 0x0406 tx timeout
Bluetooth: hci7: command 0x0406 tx timeout
Bluetooth: hci4: command 0x0406 tx timeout
Bluetooth: hci5: command 0x0406 tx timeout
Bluetooth: hci0: command 0x0406 tx timeout
Bluetooth: hci1: command 0x0406 tx timeout
Bluetooth: hci2: command 0x0406 tx timeout
Bluetooth: hci6: command 0x0406 tx timeout
loop2: detected capacity change from 0 to 264192
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 UID: 0 PID: 4356 Comm: systemd-udevd Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:__queue_work+0x202/0x1240
Code: 48 8b 6d 00 e8 4f 9e 79 03 31 ff 41 89 c5 89 c6 e8 93 f3 31 00 45 85 ed 0f 85 e1 05 00 00 e8 55 f8 31 00 48 89 e8 48 c1 e8 03 <42> 80 3c 20 00 0f 85 a0 0e 00 00 4c 8b 75 00 48 89 df 4c 89 34 24
RSP: 0018:ffff88803cf0f290 EFLAGS: 00010056
RAX: 0000000000000000 RBX: ffff88800e625718 RCX: ffffffff8141f51d
RDX: ffff88803ceb1b80 RSI: ffffffff8141ef2b RDI: 0000000000000005
RBP: 0000000000000001 R08: 0000000000000001 R09: fffffbfff0f11ef4
R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000000001 R15: ffff888015ee2000
FS: 00007f9b05fc28c0(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4e0d360000 CR3: 000000000e2e9000 CR4: 0000000000350ef0
Call Trace:
queue_work_on+0xd0/0xe0
loop_queue_rq+0x5c8/0x1180
__blk_mq_issue_directly+0xd5/0x260
blk_mq_request_issue_directly+0x11c/0x1e0
blk_mq_issue_direct+0x192/0x640
blk_mq_dispatch_queue_requests+0x4b0/0x7c0
blk_mq_flush_plug_list+0x1ec/0x5b0
__blk_flush_plug+0x25c/0x460
blk_finish_plug+0x53/0xa0
read_pages+0x51b/0xb10
page_cache_ra_unbounded+0x391/0x6a0
force_page_cache_ra+0x253/0x370
page_cache_sync_ra+0x104/0xaa0
filemap_get_pages+0x354/0x18e0
filemap_read+0x388/0xcf0
loop4: detected capacity change from 0 to 264192
blkdev_read_iter+0x1a3/0x510
vfs_read+0x868/0xc70
ksys_read+0x121/0x240
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9b0655b04e
Code: 0f 1f 40 00 48 8b 15 79 9f 00 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb ba 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 0f 05 <48> 3d 00 f0 ff ff 77 5a c3 66 0f 1f 84 00 00 00 00 00 48 83 ec 28
RSP: 002b:00007ffc7cc83b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000561133414918 RCX: 00007f9b0655b04e
RDX: 0000000000000040 RSI: 0000561133414928 RDI: 0000000000000010
RBP: 0000561132b6a080 R08: 0000561133414900 R09: 0000561132b66010
R10: 00007f9b06541b80 R11: 0000000000000246 R12: 00000000080f0000
R13: 0000000000000040 R14: 0000561133414900 R15: 0000561132b6a0d0
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__queue_work+0x202/0x1240
Code: 48 8b 6d 00 e8 4f 9e 79 03 31 ff 41 89 c5 89 c6 e8 93 f3 31 00 45 85 ed 0f 85 e1 05 00 00 e8 55 f8 31 00 48 89 e8 48 c1 e8 03 <42> 80 3c 20 00 0f 85 a0 0e 00 00 4c 8b 75 00 48 89 df 4c 89 34 24
RSP: 0018:ffff88803cf0f290 EFLAGS: 00010056
RAX: 0000000000000000 RBX: ffff88800e625718 RCX: ffffffff8141f51d
RDX: ffff88803ceb1b80 RSI: ffffffff8141ef2b RDI: 0000000000000005
RBP: 0000000000000001 R08: 0000000000000001 R09: fffffbfff0f11ef4
R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000000001 R15: ffff888015ee2000
FS: 00007f9b05fc28c0(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4e0d360000 CR3: 000000000e2e9000 CR4: 0000000000350ef0
note: systemd-udevd[4356] exited with irqs disabled
note: systemd-udevd[4356] exited with preempt_count 1
------------[ cut here ]------------
WARNING: kernel/exit.c:898 at do_exit+0x1c36/0x2970, CPU#1: systemd-udevd/4356
Modules linked in:
CPU: 1 UID: 0 PID: 4356 Comm: systemd-udevd Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
kmemleak: Found object by alias at 0x607f1a6395a4
CPU: 0 UID: 0 PID: 4352 Comm: syz-executor.7 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xca/0x120
__lookup_object+0x94/0xb0
delete_object_full+0x27/0x70
free_percpu+0x30/0x1160
futex_hash_free+0x38/0xc0
mmput+0x2d3/0x390
do_exit+0x79d/0x2970
do_group_exit+0xd3/0x2a0
__x64_sys_exit_group+0x3e/0x50
x64_sys_call+0x18c5/0x18d0
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6817fb0b19
Code: Unable to access opcode bytes at 0x7f6817fb0aef.
RSP: 002b:00007ffe183a7cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007f6817fb0b19
RDX: 00007f6817f6372b RSI: ffffffffffffffbc RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000001b2cf2001c R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffe183a7de0
kmemleak: Object (percpu) 0x607f1a6395a0 (size 8):
kmemleak: comm "systemd-udevd", pid 4356, jiffies 4294858980
kmemleak: min_count = 1
kmemleak: count = 0
kmemleak: flags = 0x21
kmemleak: checksum = 0
kmemleak: backtrace:
pcpu_alloc_noprof+0x87a/0x1170
percpu_ref_init+0x37/0x400
blkg_alloc+0xe9/0x7d0
blkg_create+0xe08/0x1420
bio_associate_blkg_from_css+0xe06/0x1380
bio_associate_blkg+0x10e/0x2a0
bio_init+0x2dd/0x570
bio_alloc_bioset+0x2cf/0x8c0
do_mpage_readpage.isra.0+0xc9c/0x15e0
mpage_readahead+0x31e/0x550
read_pages+0x196/0xb10
page_cache_ra_unbounded+0x391/0x6a0
force_page_cache_ra+0x253/0x370
page_cache_sync_ra+0x104/0xaa0
filemap_get_pages+0x354/0x18e0
filemap_read+0x388/0xcf0
RIP: 0010:do_exit+0x1c36/0x2970
Code: 96 0a 00 00 c7 43 18 00 00 00 00 e9 21 e6 ff ff e8 bf a4 38 00 bf 02 24 00 00 e8 f5 ab 0b 00 e9 41 ff ff ff e8 ab a4 38 00 90 <0f> 0b 90 e9 87 e4 ff ff e8 9d a4 38 00 4c 89 e6 bf 05 06 00 00 e8
RSP: 0018:ffff88803cf0fe40 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000200 RCX: ffffffff813b2727
RDX: ffff88803ceb1b80 RSI: ffffffff813b42d5 RDI: ffff88803ceb2d68
RBP: ffff88803ceb1b80 R08: 0000000000000001 R09: fffffbfff0f11cd8
R10: 0000000000000200 R11: 0000000000000001 R12: 000000000000000b
R13: 0000000000002710 R14: dffffc0000000000 R15: 0000000000000000
FS: 00007f9b05fc28c0(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4e0d360000 CR3: 000000000e2e9000 CR4: 0000000000350ef0
loop1: detected capacity change from 0 to 264192
Call Trace:
make_task_dead+0x174/0x3b0
rewind_stack_and_make_dead+0x16/0x20
RIP: 0033:0x7f9b0655b04e
Code: 0f 1f 40 00 48 8b 15 79 9f 00 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb ba 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 0f 05 <48> 3d 00 f0 ff ff 77 5a c3 66 0f 1f 84 00 00 00 00 00 48 83 ec 28
RSP: 002b:00007ffc7cc83b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000561133414918 RCX: 00007f9b0655b04e
RDX: 0000000000000040 RSI: 0000561133414928 RDI: 0000000000000010
RBP: 0000561132b6a080 R08: 0000561133414900 R09: 0000561132b66010
R10: 00007f9b06541b80 R11: 0000000000000246 R12: 00000000080f0000
R13: 0000000000000040 R14: 0000561133414900 R15: 0000561132b6a0d0
irq event stamp: 1718
hardirqs last enabled at (1717): [] _raw_spin_unlock_irqrestore+0x2c/0x50
hardirqs last disabled at (1718): [] _raw_spin_lock_irq+0x42/0x50
softirqs last enabled at (1708): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (1667): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
BUG: sleeping function called from invalid context at ./include/linux/percpu-rwsem.h:51
in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 4356, name: systemd-udevd
preempt_count: 0, expected: 0
RCU nest depth: 2, expected: 0
INFO: lockdep is turned off.
CPU: 1 UID: 0 PID: 4356 Comm: systemd-udevd Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
__might_resched+0x2f3/0x510
exit_signals+0x25/0x940
do_exit+0x2db/0x2970
make_task_dead+0x174/0x3b0
rewind_stack_and_make_dead+0x16/0x20
RIP: 0033:0x7f9b0655b04e
Code: 0f 1f 40 00 48 8b 15 79 9f 00 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb ba 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 0f 05 <48> 3d 00 f0 ff ff 77 5a c3 66 0f 1f 84 00 00 00 00 00 48 83 ec 28
RSP: 002b:00007ffc7cc83b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000561133414918 RCX: 00007f9b0655b04e
RDX: 0000000000000040 RSI: 0000561133414928 RDI: 0000000000000010
RBP: 0000561132b6a080 R08: 0000561133414900 R09: 0000561132b66010
R10: 00007f9b06541b80 R11: 0000000000000246 R12: 00000000080f0000
R13: 0000000000000040 R14: 0000561133414900 R15: 0000561132b6a0d0
loop4: detected capacity change from 0 to 264192
loop3: detected capacity change from 0 to 173
tmpfs: Unsupported parameter 'huge'
proc: Unknown parameter '$('
kmemleak: Found object by alias at 0x607f1a6395a4
CPU: 0 UID: 0 PID: 4384 Comm: syz-executor.7 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xca/0x120
__lookup_object+0x94/0xb0
delete_object_full+0x27/0x70
free_percpu+0x30/0x1160
futex_hash_free+0x38/0xc0
mmput+0x2d3/0x390
do_exit+0x79d/0x2970
do_group_exit+0xd3/0x2a0
get_signal+0x2315/0x2340
arch_do_signal_or_restart+0x80/0x790
exit_to_user_mode_loop+0x8b/0x110
do_syscall_64+0x2f7/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6817fb0b19
Code: Unable to access opcode bytes at 0x7f6817fb0aef.
RSP: 002b:00007f6815526218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007f68180c3f68 RCX: 00007f6817fb0b19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f68180c3f6c
RBP: 00007f68180c3f60 R08: 000000000000000e R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 00007f68180c3f6c
R13: 00007ffe183a7acf R14: 00007f6815526300 R15: 0000000000022000
kmemleak: Object (percpu) 0x607f1a6395a0 (size 8):
kmemleak: comm "syz-executor.3", pid 4371, jiffies 4294859105
kmemleak: min_count = 1
kmemleak: count = 0
kmemleak: flags = 0x21
kmemleak: checksum = 0
kmemleak: backtrace:
pcpu_alloc_noprof+0x87a/0x1170
percpu_ref_init+0x37/0x400
io_uring_setup+0x44c/0x2000
__x64_sys_io_uring_setup+0xc8/0x170
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#2] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 0 UID: 0 PID: 4356 Comm: systemd-udevd Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:__blk_flush_plug+0x11d/0x460
Code: f9 06 3b ff 48 8b 44 24 08 4c 8b 6c 24 58 49 8b 56 30 80 38 00 0f 85 03 03 00 00 48 8d 7a 08 4d 8b 66 38 48 89 f9 48 c1 e9 03 <42> 80 3c 39 00 0f 85 02 03 00 00 48 89 5a 08 48 89 54 24 58 4c 89
RSP: 0018:ffff88803cf0f6b0 EFLAGS: 00010212
RAX: ffffed10079e1ef2 RBX: ffff88803cf0f708 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff8238e087 RDI: 0000000000000008
RBP: 0000000000000001 R08: 0000000000000001 R09: ffffed10079d6373
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff818d2f48
R13: ffff88803cf0f708 R14: ffff88803cf0f758 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555573fb2708 CR3: 000000003ba88000 CR4: 0000000000350ef0
Call Trace:
io_schedule+0xba/0x130
loop4: detected capacity change from 0 to 264192
folio_wait_bit_common+0x388/0x900
truncate_inode_pages_range+0xb92/0xce0
blkdev_flush_mapping+0xf9/0x2a0
blkdev_put_whole+0xc4/0xf0
bdev_release+0x47d/0x6f0
blkdev_release+0x15/0x20
__fput+0x401/0xb50
task_work_run+0x172/0x280
do_exit+0x846/0x2970
make_task_dead+0x174/0x3b0
rewind_stack_and_make_dead+0x16/0x20
RIP: 0033:0x7f9b0655b04e
Code: Unable to access opcode bytes at 0x7f9b0655b024.
RSP: 002b:00007ffc7cc83b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000561133414918 RCX: 00007f9b0655b04e
RDX: 0000000000000040 RSI: 0000561133414928 RDI: 0000000000000010
RBP: 0000561132b6a080 R08: 0000561133414900 R09: 0000561132b66010
R10: 00007f9b06541b80 R11: 0000000000000246 R12: 00000000080f0000
R13: 0000000000000040 R14: 0000561133414900 R15: 0000561132b6a0d0
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__queue_work+0x202/0x1240
Code: 48 8b 6d 00 e8 4f 9e 79 03 31 ff 41 89 c5 89 c6 e8 93 f3 31 00 45 85 ed 0f 85 e1 05 00 00 e8 55 f8 31 00 48 89 e8 48 c1 e8 03 <42> 80 3c 20 00 0f 85 a0 0e 00 00 4c 8b 75 00 48 89 df 4c 89 34 24
RSP: 0018:ffff88803cf0f290 EFLAGS: 00010056
RAX: 0000000000000000 RBX: ffff88800e625718 RCX: ffffffff8141f51d
RDX: ffff88803ceb1b80 RSI: ffffffff8141ef2b RDI: 0000000000000005
RBP: 0000000000000001 R08: 0000000000000001 R09: fffffbfff0f11ef4
R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000000001 R15: ffff888015ee2000
FS: 0000000000000000(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555573fb2708 CR3: 000000003ba88000 CR4: 0000000000350ef0
Fixing recursive fault but reboot is needed!
BUG: scheduling while atomic: systemd-udevd/4356/0x00000000
INFO: lockdep is turned off.
Modules linked in:
CPU: 0 UID: 0 PID: 4356 Comm: systemd-udevd Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
__schedule_bug+0xb9/0x100
__schedule+0x24f3/0x3590
do_task_dead+0xdc/0x110
make_task_dead+0x373/0x3b0
rewind_stack_and_make_dead+0x16/0x20
RIP: 0033:0x7f9b0655b04e
Code: Unable to access opcode bytes at 0x7f9b0655b024.
RSP: 002b:00007ffc7cc83b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000561133414918 RCX: 00007f9b0655b04e
RDX: 0000000000000040 RSI: 0000561133414928 RDI: 0000000000000010
RBP: 0000561132b6a080 R08: 0000561133414900 R09: 0000561132b66010
R10: 00007f9b06541b80 R11: 0000000000000246 R12: 00000000080f0000
R13: 0000000000000040 R14: 0000561133414900 R15: 0000561132b6a0d0
------------[ cut here ]------------
Voluntary context switch within RCU read-side critical section!
WARNING: kernel/rcu/tree_plugin.h:332 at rcu_note_context_switch+0xa96/0x1b00, CPU#0: systemd-udevd/4356
Modules linked in:
CPU: 0 UID: 0 PID: 4356 Comm: systemd-udevd Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:rcu_note_context_switch+0xa96/0x1b00
Code: 00 00 00 65 48 8b 3d 41 8c 27 06 e8 84 11 fd ff e9 1a f8 ff ff c6 05 9a 42 e4 04 01 90 48 c7 c7 a0 8a c9 84 e8 0b 39 dd ff 90 <0f> 0b 90 90 e9 3a f6 ff ff 48 b8 00 00 00 00 00 fc ff df 48 c1 ea
RSP: 0018:ffff88803cf0fd38 EFLAGS: 00010082
RAX: 0000000000000000 RBX: ffff88806ce37d00 RCX: ffffffff8139de70
RDX: ffff88803ceb1b80 RSI: ffffffff8139de7e RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed100d9c4801
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88803ceb1b80
R13: 0000000000000000 R14: ffff88803ceb1b80 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555573fb2708 CR3: 000000003ba88000 CR4: 0000000000350ef0
Call Trace:
__schedule+0x217/0x3590
do_task_dead+0xdc/0x110
make_task_dead+0x373/0x3b0
rewind_stack_and_make_dead+0x16/0x20
RIP: 0033:0x7f9b0655b04e
Code: Unable to access opcode bytes at 0x7f9b0655b024.
RSP: 002b:00007ffc7cc83b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000561133414918 RCX: 00007f9b0655b04e
RDX: 0000000000000040 RSI: 0000561133414928 RDI: 0000000000000010
RBP: 0000561132b6a080 R08: 0000561133414900 R09: 0000561132b66010
R10: 00007f9b06541b80 R11: 0000000000000246 R12: 00000000080f0000
R13: 0000000000000040 R14: 0000561133414900 R15: 0000561132b6a0d0
irq event stamp: 1718
hardirqs last enabled at (1717): [] _raw_spin_unlock_irqrestore+0x2c/0x50
hardirqs last disabled at (1718): [] _raw_spin_lock_irq+0x42/0x50
softirqs last enabled at (1708): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (1667): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
loop4: detected capacity change from 0 to 264192
loop4: detected capacity change from 0 to 264192
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 00 00 add %al,(%rax)
2: e9 1a fe ff ff jmpq 0xfffffe21
7: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1)
e: 00 00 00
11: 90 nop
12: 90 nop
13: 90 nop
14: 90 nop
15: 90 nop
16: 90 nop
17: 90 nop
18: 90 nop
19: 90 nop
1a: 90 nop
1b: 90 nop
1c: 90 nop
1d: 90 nop
1e: 90 nop
1f: 90 nop
20: 90 nop
21: f3 0f 1e fa endbr64
25: 48 8b 0c 24 mov (%rsp),%rcx
* 29: 48 89 f2 mov %rsi,%rdx <-- trapping instruction
2c: 48 89 fe mov %rdi,%rsi
2f: bf 07 00 00 00 mov $0x7,%edi
34: e9 e8 fd ff ff jmpq 0xfffffe21
39: 0f .byte 0xf
3a: 1f (bad)
3b: 84 00 test %al,(%rax)