SELinux: security_context_str_to_sid (root) failed with errno=-22 FAT-fs (loop6): Directory bread(block 6) failed loop3: detected capacity change from 0 to 736 FAT-fs (loop6): Directory bread(block 7) failed Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI FAT-fs (loop6): Directory bread(block 8) failed KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 0 UID: 0 PID: 4089 Comm: syz-executor.3 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:ffff88801bc374a0 EFLAGS: 00010056 RAX: 0000000000000000 RBX: ffff88800cd3bd18 RCX: ffffc9000269d000 RDX: 0000000000040000 RSI: ffffffff8141ef2b RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000001 R09: fffffbfff0f11ef4 R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffff8880172be800 FS: 00007f66a99a4700(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff2daf903a4 CR3: 000000000d5ae000 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 __submit_bio+0x480/0x5b0 FAT-fs (loop6): Directory bread(block 9) failed submit_bio_noacct_nocheck+0x68e/0xcb0 submit_bio_noacct+0x359/0x1350 __bread_gfp+0x18b/0x3c0 isofs_fill_super+0x582/0x2bd0 get_tree_bdev_flags+0x38a/0x620 vfs_get_tree+0x93/0x340 path_mount+0x132d/0x1dd0 __x64_sys_mount+0x27b/0x300 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f66ac43004a Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 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:00007f66a99a3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f66ac43004a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f66a99a4000 RBP: 00007f66a99a4040 R08: 00007f66a99a4040 R09: 0000000020000000 R10: 0000000000000001 R11: 0000000000000206 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f66a99a4000 R15: 0000000020000140 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:ffff88801bc374a0 EFLAGS: 00010056 RAX: 0000000000000000 RBX: ffff88800cd3bd18 RCX: ffffc9000269d000 RDX: 0000000000040000 RSI: ffffffff8141ef2b RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000001 R09: fffffbfff0f11ef4 R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffff8880172be800 FS: 00007f66a99a4700(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff2daf903a4 CR3: 000000000d5ae000 CR4: 0000000000350ef0 note: syz-executor.3[4089] exited with irqs disabled note: syz-executor.3[4089] exited with preempt_count 1 ------------[ cut here ]------------ WARNING: kernel/exit.c:898 at do_exit+0x1c36/0x2970, CPU#0: syz-executor.3/4089 Modules linked in: CPU: 0 UID: 0 PID: 4089 Comm: syz-executor.3 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:ffff88801bc37e40 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 0000000000000200 RCX: ffffc9000269d000 RDX: 0000000000040000 RSI: ffffffff813b42d5 RDI: ffff888046cd91e8 RBP: ffff888046cd8000 R08: 0000000000000001 R09: fffffbfff0f11cd8 R10: 0000000000000200 R11: 0000000000000001 R12: 000000000000000b R13: 0000000000002710 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007f66a99a4700(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff2daf903a4 CR3: 000000000d5ae000 CR4: 0000000000350ef0 Call Trace: make_task_dead+0x174/0x3b0 rewind_stack_and_make_dead+0x16/0x20 RIP: 0033:0x7f66ac43004a Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 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:00007f66a99a3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f66ac43004a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f66a99a4000 RBP: 00007f66a99a4040 R08: 00007f66a99a4040 R09: 0000000020000000 R10: 0000000000000001 R11: 0000000000000206 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f66a99a4000 R15: 0000000020000140 irq event stamp: 1536 hardirqs last enabled at (1535): [] _raw_spin_unlock_irqrestore+0x2c/0x50 hardirqs last disabled at (1536): [] _raw_spin_lock_irq+0x42/0x50 softirqs last enabled at (1512): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (1477): [] __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: 4089, name: syz-executor.3 preempt_count: 0, expected: 0 RCU nest depth: 2, expected: 0 INFO: lockdep is turned off. CPU: 0 UID: 0 PID: 4089 Comm: syz-executor.3 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: 0033:0x7f66ac43004a Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 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:00007f66a99a3fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f66ac43004a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f66a99a4000 RBP: 00007f66a99a4040 R08: 00007f66a99a4040 R09: 0000000020000000 R10: 0000000000000001 R11: 0000000000000206 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f66a99a4000 R15: 0000000020000140 FAT-fs (loop6): Directory bread(block 6) failed FAT-fs (loop6): Directory bread(block 7) failed loop5: detected capacity change from 0 to 264192 Oops: general protection fault, probably for non-canonical address 0xdffffc0001bb3bc0: 0000 [#2] SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x000000000dd9de00-0x000000000dd9de07] CPU: 0 UID: 0 PID: 4072 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:__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:ffff88801e2af290 EFLAGS: 00010016 RAX: 0000000001bb3bc0 RBX: ffff888047448018 RCX: ffffffff8141ef1d RDX: ffff88801ae30000 RSI: ffffffff8141ef2b RDI: 0000000000000005 RBP: 000000000dd9de00 R08: 0000000000000000 R09: fffffbfff0f11ef4 R10: 0000000000000000 R11: ffff888016379800 R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888047620000 FS: 00007fcc824b18c0(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055693a9d9be0 CR3: 000000001f1cf000 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: 0033:0x7fcc82a4a04e 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:00007ffc6dce3348 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 000055693a9cd5e8 RCX: 00007fcc82a4a04e RDX: 0000000000000040 RSI: 000055693a9cd5f8 RDI: 0000000000000010 RBP: 000055693aa0d3f0 R08: 000055693a9cd5d0 R09: 000055693a15f010 R10: 00007fcc82a30b80 R11: 0000000000000246 R12: 00000000080f0000 R13: 0000000000000040 R14: 000055693a9cd5d0 R15: 000055693aa0d440 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:ffff88801bc374a0 EFLAGS: 00010056 RAX: 0000000000000000 RBX: ffff88800cd3bd18 RCX: ffffc9000269d000 RDX: 0000000000040000 RSI: ffffffff8141ef2b RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000001 R09: fffffbfff0f11ef4 R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffff8880172be800 FS: 00007fcc824b18c0(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055693a9d9be0 CR3: 000000001f1cf000 CR4: 0000000000350ef0 note: systemd-udevd[4072] exited with irqs disabled note: systemd-udevd[4072] exited with preempt_count 1 ------------[ cut here ]------------ WARNING: kernel/exit.c:898 at do_exit+0x1c36/0x2970, CPU#0: systemd-udevd/4072 Modules linked in: CPU: 0 UID: 0 PID: 4072 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:ffff88801e2afe40 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000200 RCX: ffffffff813b2727 RDX: ffff88801ae30000 RSI: ffffffff813b42d5 RDI: ffff88801ae311e8 RBP: ffff88801ae30000 R08: 0000000000000001 R09: fffffbfff0f11cd8 R10: 0000000000000200 R11: 0000000000000001 R12: 000000000000000b R13: 0000000000002710 R14: dffffc0001bb3bc0 R15: 0000000000000000 FS: 00007fcc824b18c0(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055693a9d9be0 CR3: 000000001f1cf000 CR4: 0000000000350ef0 Call Trace: make_task_dead+0x174/0x3b0 rewind_stack_and_make_dead+0x16/0x20 RIP: 0033:0x7fcc82a4a04e 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:00007ffc6dce3348 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 000055693a9cd5e8 RCX: 00007fcc82a4a04e RDX: 0000000000000040 RSI: 000055693a9cd5f8 RDI: 0000000000000010 RBP: 000055693aa0d3f0 R08: 000055693a9cd5d0 R09: 000055693a15f010 R10: 00007fcc82a30b80 R11: 0000000000000246 R12: 00000000080f0000 R13: 0000000000000040 R14: 000055693a9cd5d0 R15: 000055693aa0d440 irq event stamp: 4832 hardirqs last enabled at (4831): [] exit_to_user_mode_loop+0x5d/0x110 hardirqs last disabled at (4832): [] __schedule+0x16dd/0x3590 softirqs last enabled at (4824): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (4793): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#3] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] CPU: 0 UID: 0 PID: 4072 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:ffff88801e2af6b0 EFLAGS: 00010212 RAX: ffffed1003c55ef2 RBX: ffff88801e2af708 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff8238e087 RDI: 0000000000000008 RBP: 0000000000000001 R08: 0000000000000001 R09: ffffed10035c6003 R10: 0000000000000000 R11: 1ffff1100d9c6f7b R12: ffffffff818d2f48 R13: ffff88801e2af708 R14: ffff88801e2af758 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555572c1bc98 CR3: 000000000e075000 CR4: 0000000000350ef0 Call Trace: io_schedule+0xba/0x130 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: 0033:0x7fcc82a4a04e Code: Unable to access opcode bytes at 0x7fcc82a4a024. RSP: 002b:00007ffc6dce3348 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 000055693a9cd5e8 RCX: 00007fcc82a4a04e RDX: 0000000000000040 RSI: 000055693a9cd5f8 RDI: 0000000000000010 RBP: 000055693aa0d3f0 R08: 000055693a9cd5d0 R09: 000055693a15f010 R10: 00007fcc82a30b80 R11: 0000000000000246 R12: 00000000080f0000 R13: 0000000000000040 R14: 000055693a9cd5d0 R15: 000055693aa0d440 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:ffff88801bc374a0 EFLAGS: 00010056 RAX: 0000000000000000 RBX: ffff88800cd3bd18 RCX: ffffc9000269d000 RDX: 0000000000040000 RSI: ffffffff8141ef2b RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000001 R09: fffffbfff0f11ef4 R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffff8880172be800 FS: 0000000000000000(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555572c1bc98 CR3: 000000000e075000 CR4: 0000000000350ef0 Fixing recursive fault but reboot is needed! BUG: scheduling while atomic: systemd-udevd/4072/0x00000000 INFO: lockdep is turned off. Modules linked in: CPU: 0 UID: 0 PID: 4072 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: 0033:0x7fcc82a4a04e Code: Unable to access opcode bytes at 0x7fcc82a4a024. RSP: 002b:00007ffc6dce3348 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 000055693a9cd5e8 RCX: 00007fcc82a4a04e RDX: 0000000000000040 RSI: 000055693a9cd5f8 RDI: 0000000000000010 RBP: 000055693aa0d3f0 R08: 000055693a9cd5d0 R09: 000055693a15f010 R10: 00007fcc82a30b80 R11: 0000000000000246 R12: 00000000080f0000 R13: 0000000000000040 R14: 000055693a9cd5d0 R15: 000055693aa0d440 ------------[ 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/4072 Modules linked in: CPU: 0 UID: 0 PID: 4072 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:ffff88801e2afd38 EFLAGS: 00010082 RAX: 0000000000000000 RBX: ffff88806ce37d00 RCX: ffffffff8139de70 RDX: ffff88801ae30000 RSI: ffffffff8139de7e RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed100d9c4801 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88801ae30000 R13: 0000000000000000 R14: ffff88801ae30000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555572c1bc98 CR3: 000000000e075000 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: 0033:0x7fcc82a4a04e Code: Unable to access opcode bytes at 0x7fcc82a4a024. RSP: 002b:00007ffc6dce3348 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 000055693a9cd5e8 RCX: 00007fcc82a4a04e RDX: 0000000000000040 RSI: 000055693a9cd5f8 RDI: 0000000000000010 RBP: 000055693aa0d3f0 R08: 000055693a9cd5d0 R09: 000055693a15f010 R10: 00007fcc82a30b80 R11: 0000000000000246 R12: 00000000080f0000 R13: 0000000000000040 R14: 000055693a9cd5d0 R15: 000055693aa0d440 irq event stamp: 4832 hardirqs last enabled at (4831): [] exit_to_user_mode_loop+0x5d/0x110 hardirqs last disabled at (4832): [] __schedule+0x16dd/0x3590 softirqs last enabled at (4824): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (4793): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#4] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 0 UID: 0 PID: 4075 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:__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:ffff888048bb7238 EFLAGS: 00010056 RAX: 0000000000000000 RBX: ffff88800bd59b18 RCX: ffffffff8141ef1d RDX: ffff888013cd5280 RSI: ffffffff8141ef2b RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff0f11ef4 R10: 0000000000000000 R11: ffff8880196a3750 R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888016252800 FS: 00007fcc824b18c0(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555572c1bc98 CR3: 000000000a00f000 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 __submit_bio+0x480/0x5b0 submit_bio_noacct_nocheck+0x68e/0xcb0 submit_bio_noacct+0x359/0x1350 block_read_full_folio+0x405/0x760 filemap_read_folio+0x4a/0x1e0 filemap_get_pages+0x1133/0x18e0 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: 0033:0x7fcc82a4a04e 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:00007ffc6dce33a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 000055693aa0bd48 RCX: 00007fcc82a4a04e RDX: 0000000000000400 RSI: 000055693aa0bd58 RDI: 0000000000000010 RBP: 000055693a9f3060 R08: 000055693aa0bd30 R09: 00007fcc82a30be0 R10: 0000000000000010 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000400 R14: 000055693aa0bd30 R15: 000055693a9f30b0 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:ffff88801bc374a0 EFLAGS: 00010056 RAX: 0000000000000000 RBX: ffff88800cd3bd18 RCX: ffffc9000269d000 RDX: 0000000000040000 RSI: ffffffff8141ef2b RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000001 R09: fffffbfff0f11ef4 R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffff8880172be800 FS: 00007fcc824b18c0(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555572c1bc98 CR3: 000000000a00f000 CR4: 0000000000350ef0 note: systemd-udevd[4075] exited with irqs disabled note: systemd-udevd[4075] exited with preempt_count 1 ------------[ cut here ]------------ WARNING: kernel/exit.c:898 at do_exit+0x1c36/0x2970, CPU#0: systemd-udevd/4075 Modules linked in: CPU: 0 UID: 0 PID: 4075 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:ffff888048bb7e40 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000200 RCX: ffffffff813b2727 RDX: ffff888013cd5280 RSI: ffffffff813b42d5 RDI: ffff888013cd6468 RBP: ffff888013cd5280 R08: 0000000000000001 R09: fffffbfff0f11cd8 R10: 0000000000000200 R11: 0000000000000001 R12: 000000000000000b R13: 0000000000002710 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007fcc824b18c0(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555572c1bc98 CR3: 000000000a00f000 CR4: 0000000000350ef0 Call Trace: make_task_dead+0x174/0x3b0 rewind_stack_and_make_dead+0x16/0x20 RIP: 0033:0x7fcc82a4a04e 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:00007ffc6dce33a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 000055693aa0bd48 RCX: 00007fcc82a4a04e RDX: 0000000000000400 RSI: 000055693aa0bd58 RDI: 0000000000000010 RBP: 000055693a9f3060 R08: 000055693aa0bd30 R09: 00007fcc82a30be0 R10: 0000000000000010 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000400 R14: 000055693aa0bd30 R15: 000055693a9f30b0 irq event stamp: 3680 hardirqs last enabled at (3679): [] _raw_write_unlock_irq+0x23/0x40 hardirqs last disabled at (3680): [] __schedule+0x16dd/0x3590 softirqs last enabled at (3648): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (3631): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- ---------------- 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)