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: 3748 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:ffff888045847290 EFLAGS: 00010056 RAX: 0000000000000000 RBX: ffff88801e9df318 RCX: ffffffff8141f51d RDX: ffff888016100000 RSI: ffffffff8141ef2b RDI: 0000000000000005 RBP: 0000000000000001 R08: 0000000000000001 R09: fffffbfff0f11ef4 R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000001 R15: ffff888046ad9000 FS: 00007faba735f8c0(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005588948d1148 CR3: 0000000045cf5000 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 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: 0033:0x7faba78f804e 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:00007ffe091c4d58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00005588948d0d38 RCX: 00007faba78f804e RDX: 0000000000000400 RSI: 00005588948d0d48 RDI: 0000000000000010 RBP: 00005588948cb1d0 R08: 00005588948d0d20 R09: 00007faba78debe0 R10: 0000000000000020 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000400 R14: 00005588948d0d20 R15: 00005588948cb220 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:ffff888045847290 EFLAGS: 00010056 RAX: 0000000000000000 RBX: ffff88801e9df318 RCX: ffffffff8141f51d RDX: ffff888016100000 RSI: ffffffff8141ef2b RDI: 0000000000000005 RBP: 0000000000000001 R08: 0000000000000001 R09: fffffbfff0f11ef4 R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000001 R15: ffff888046ad9000 FS: 00007faba735f8c0(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005588948d1148 CR3: 0000000045cf5000 CR4: 0000000000350ef0 note: systemd-udevd[3748] exited with irqs disabled note: systemd-udevd[3748] exited with preempt_count 1 ------------[ cut here ]------------ WARNING: kernel/exit.c:898 at do_exit+0x1c36/0x2970, CPU#1: systemd-udevd/3748 Modules linked in: CPU: 1 UID: 0 PID: 3748 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: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:ffff888045847e40 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000200 RCX: ffffffff813b2727 RDX: ffff888016100000 RSI: ffffffff813b42d5 RDI: ffff8880161011e8 RBP: ffff888016100000 R08: 0000000000000001 R09: fffffbfff0f11cd8 R10: 0000000000000200 R11: 0000000000000001 R12: 000000000000000b R13: 0000000000002710 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007faba735f8c0(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005588948d1148 CR3: 0000000045cf5000 CR4: 0000000000350ef0 Call Trace: make_task_dead+0x174/0x3b0 rewind_stack_and_make_dead+0x16/0x20 RIP: 0033:0x7faba78f804e 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:00007ffe091c4d58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00005588948d0d38 RCX: 00007faba78f804e RDX: 0000000000000400 RSI: 00005588948d0d48 RDI: 0000000000000010 RBP: 00005588948cb1d0 R08: 00005588948d0d20 R09: 00007faba78debe0 R10: 0000000000000020 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000400 R14: 00005588948d0d20 R15: 00005588948cb220 irq event stamp: 70244 hardirqs last enabled at (70243): [] ktime_get+0x1c7/0x270 hardirqs last disabled at (70244): [] _raw_spin_lock_irq+0x42/0x50 softirqs last enabled at (70238): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (70229): [] __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: 3748, name: systemd-udevd preempt_count: 0, expected: 0 RCU nest depth: 2, expected: 0 INFO: lockdep is turned off. CPU: 1 UID: 0 PID: 3748 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: 0033:0x7faba78f804e 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:00007ffe091c4d58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00005588948d0d38 RCX: 00007faba78f804e RDX: 0000000000000400 RSI: 00005588948d0d48 RDI: 0000000000000010 RBP: 00005588948cb1d0 R08: 00005588948d0d20 R09: 00007faba78debe0 R10: 0000000000000020 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000400 R14: 00005588948d0d20 R15: 00005588948cb220 kmemleak: Automatic memory scanning thread ended UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list SELinux: Context system_u:object_r:systemd_systemctl_exec_t:s0 is not valid (left unmapped). audit: type=1400 audit(1756462581.934:12): avc: denied { associate } for pid=4108 comm="syz-executor.0" name="tty21" dev="devtmpfs" ino=41 scontext=system_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:device_t:s0 tclass=filesystem permissive=1 srawcon="system_u:object_r:systemd_systemctl_exec_t:s0" Oops: general protection fault, probably for non-canonical address 0xdffffc0000000032: 0000 [#2] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000190-0x0000000000000197] CPU: 1 UID: 0 PID: 4209 Comm: syz-executor.4 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:perf_tp_event+0x175/0xe70 Code: ff df 48 89 85 a8 fd ff ff 48 c1 e8 03 4c 01 e0 48 89 85 c8 fd ff ff e8 c9 51 ea ff 48 8d bb f0 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e c5 0b 00 00 44 8b ab f0 01 RSP: 0018:ffff888010ce7780 EFLAGS: 00010012 RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: ffffc900082cb000 RDX: 0000000000040000 RSI: ffffffff818995b7 RDI: 0000000000000191 RBP: ffff888010ce79f0 R08: ffff88806cf31340 R09: ffffe8ffffd16310 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000014 R14: ffff88806cf31340 R15: dffffc0000000000 FS: 00007fef05e2a700(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdcba7f2018 CR3: 0000000009c14000 CR4: 0000000000350ef0 Call Trace: perf_trace_run_bpf_submit+0xef/0x180 perf_trace_preemptirq_template+0x259/0x430 trace_irq_enable.constprop.0+0xa6/0x100 trace_hardirqs_on+0x26/0x40 _raw_spin_unlock_irqrestore+0x2c/0x50 try_to_wake_up+0x8ae/0x11d0 wake_up_q+0xa1/0x130 futex_wake+0x47e/0x540 do_futex+0x26d/0x370 __x64_sys_futex+0x1c9/0x4d0 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fef088b4b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fef05e2a218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007fef089c7f68 RCX: 00007fef088b4b19 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fef089c7f6c RBP: 00007fef089c7f60 R08: 000000000000000e R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 00007fef089c7f6c R13: 00007ffc2b1d4a1f R14: 00007fef05e2a300 R15: 0000000000022000 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:ffff888045847290 EFLAGS: 00010056 RAX: 0000000000000000 RBX: ffff88801e9df318 RCX: ffffffff8141f51d RDX: ffff888016100000 RSI: ffffffff8141ef2b RDI: 0000000000000005 RBP: 0000000000000001 R08: 0000000000000001 R09: fffffbfff0f11ef4 R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000001 R15: ffff888046ad9000 FS: 00007fef05e2a700(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdcba7f2018 CR3: 0000000009c14000 CR4: 0000000000350ef0 note: syz-executor.4[4209] exited with irqs disabled Oops: general protection fault, probably for non-canonical address 0xdffffc0000000032: 0000 [#3] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000190-0x0000000000000197] CPU: 1 UID: 0 PID: 4209 Comm: syz-executor.4 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:perf_tp_event+0x175/0xe70 Code: ff df 48 89 85 a8 fd ff ff 48 c1 e8 03 4c 01 e0 48 89 85 c8 fd ff ff e8 c9 51 ea ff 48 8d bb f0 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e c5 0b 00 00 44 8b ab f0 01 RSP: 0018:ffff88806cf08b80 EFLAGS: 00010012 RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002 RDX: ffff88804544d280 RSI: ffffffff818995b7 RDI: 0000000000000191 RBP: ffff88806cf08df0 R08: ffff88806cf313e8 R09: ffffe8ffffd16310 R10: 0000000000000000 R11: ffff88800e857c98 R12: dffffc0000000000 R13: 0000000000000014 R14: ffff88806cf313e8 R15: dffffc0000000000 FS: 00007fef05e2a700(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdcba7f2018 CR3: 0000000009c14000 CR4: 0000000000350ef0 Call Trace: perf_trace_run_bpf_submit+0xef/0x180 perf_trace_preemptirq_template+0x259/0x430 trace_irq_enable.constprop.0+0xa6/0x100 trace_hardirqs_on+0x26/0x40 handle_softirqs+0x16e/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:make_task_dead+0xa2/0x3b0 Code: 38 00 85 db 0f 84 21 01 00 00 e8 d9 96 38 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 27 92 38 00 48 85 db 0f 84 17 01 00 00 b9 96 38 00 31 ff 65 8b 1d 60 df 48 06 81 e3 ff ff ff 7f 89 de RSP: 0018:ffff888010ce7f28 EFLAGS: 00000246 RAX: 0000000000000001 RBX: ffff88804544d280 RCX: ffffffff817c2b86 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff813b5234 RBP: 000000000000000b R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff8643ac57 R11: 0000000000000001 R12: ffff88804544d280 R13: 0000000000000000 R14: dffffc0000000032 R15: 0000000000000000 rewind_stack_and_make_dead+0x16/0x20 RIP: 0033:0x7fef088b4b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fef05e2a218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007fef089c7f68 RCX: 00007fef088b4b19 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fef089c7f6c RBP: 00007fef089c7f60 R08: 000000000000000e R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 00007fef089c7f6c R13: 00007ffc2b1d4a1f R14: 00007fef05e2a300 R15: 0000000000022000 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:ffff888045847290 EFLAGS: 00010056 RAX: 0000000000000000 RBX: ffff88801e9df318 RCX: ffffffff8141f51d RDX: ffff888016100000 RSI: ffffffff8141ef2b RDI: 0000000000000005 RBP: 0000000000000001 R08: 0000000000000001 R09: fffffbfff0f11ef4 R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000001 R15: ffff888046ad9000 FS: 00007fef05e2a700(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdcba7f2018 CR3: 0000000009c14000 CR4: 0000000000350ef0 ---------------- Code disassembly (best guess): 0: 48 8b 6d 00 mov 0x0(%rbp),%rbp 4: e8 4f 9e 79 03 callq 0x3799e58 9: 31 ff xor %edi,%edi b: 41 89 c5 mov %eax,%r13d e: 89 c6 mov %eax,%esi 10: e8 93 f3 31 00 callq 0x31f3a8 15: 45 85 ed test %r13d,%r13d 18: 0f 85 e1 05 00 00 jne 0x5ff 1e: e8 55 f8 31 00 callq 0x31f878 23: 48 89 e8 mov %rbp,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) <-- trapping instruction 2f: 0f 85 a0 0e 00 00 jne 0xed5 35: 4c 8b 75 00 mov 0x0(%rbp),%r14 39: 48 89 df mov %rbx,%rdi 3c: 4c 89 34 24 mov %r14,(%rsp)