lo_ioctl+0x66d/0x1c70 blkdev_ioctl+0x27c/0x6c0 __x64_sys_ioctl+0x18f/0x210 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f Oops: general protection fault, probably for non-canonical address 0xdffffc000405d8c0: 0000 [#1] SMP KASAN NOPTI loop0: detected capacity change from 0 to 6 KASAN: probably user-memory-access in range [0x00000000202ec600-0x00000000202ec607] CPU: 1 UID: 0 PID: 4067 Comm: syz-executor.4 Tainted: G W 6.17.0-rc4-next-20250901 #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 ee 79 03 31 ff 41 89 c5 89 c6 e8 c3 02 32 00 45 85 ed 0f 85 e1 05 00 00 e8 85 07 32 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:ffff888042f973f0 EFLAGS: 00010016 RAX: 000000000405d8c0 RBX: ffff88801eeb3218 RCX: ffffc90001494000 RDX: 0000000000040000 RSI: ffffffff8141ef2b RDI: 0000000000000005 RBP: 00000000202ec600 R08: 0000000000000001 R09: fffffbfff0f128f4 R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000001 R15: ffff888041ade800 FS: 00007f85d0a18700(0000) GS:ffff8880e56d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1e595ab000 CR3: 000000000b7f2000 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 __bread_gfp+0x18b/0x3c0 fat_fill_super+0x5e1/0x3fd0 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: 0033:0x7f85d34a404a 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:00007f85d0a17fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f85d34a404a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f85d0a18000 RBP: 00007f85d0a18040 R08: 00007f85d0a18040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f85d0a18000 R15: 0000000020010d00 Modules linked in: ---[ end trace 0000000000000000 ]--- Oops: general protection fault, probably for non-canonical address 0xdffffc000405d860: 0000 [#2] SMP KASAN NOPTI RIP: 0010:__queue_work+0x202/0x1240 KASAN: probably user-memory-access in range [0x00000000202ec300-0x00000000202ec307] Code: 48 8b 6d 00 e8 4f ee 79 03 31 ff 41 89 c5 89 c6 e8 c3 02 32 00 45 85 ed 0f 85 e1 05 00 00 e8 85 07 32 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 CPU: 0 UID: 0 PID: 4076 Comm: syz-executor.0 Tainted: G D W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) RSP: 0018:ffff888042f973f0 EFLAGS: 00010016 Tainted: [D]=DIE, [W]=WARN RAX: 000000000405d8c0 RBX: ffff88801eeb3218 RCX: ffffc90001494000 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RDX: 0000000000040000 RSI: ffffffff8141ef2b RDI: 0000000000000005 RIP: 0010:__queue_work+0x202/0x1240 RBP: 00000000202ec600 R08: 0000000000000001 R09: fffffbfff0f128f4 Code: 48 8b 6d 00 e8 4f ee 79 03 31 ff 41 89 c5 89 c6 e8 c3 02 32 00 45 85 ed 0f 85 e1 05 00 00 e8 85 07 32 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 R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 RSP: 0018:ffff888040ad73f0 EFLAGS: 00010016 R13: 0000000000000001 R14: 0000000000000001 R15: ffff888041ade800 FS: 00007f85d0a18700(0000) GS:ffff8880e56d8000(0000) knlGS:0000000000000000 RAX: 000000000405d860 RBX: ffff88801eeb3818 RCX: ffffc900066bd000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RDX: 0000000000040000 RSI: ffffffff8141ef2b RDI: 0000000000000005 CR2: 00007f1e595ab000 CR3: 000000000b7f2000 CR4: 0000000000350ef0 RBP: 00000000202ec300 R08: 0000000000000000 R09: fffffbfff0f128f4 note: syz-executor.4[4067] exited with irqs disabled R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 note: syz-executor.4[4067] exited with preempt_count 1 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888042b32000 ------------[ cut here ]------------ FS: 00007f3144799700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 WARNING: kernel/exit.c:898 at do_exit+0x1c36/0x2970, CPU#1: syz-executor.4/4067 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Modules linked in: CR2: 00007f314479a000 CR3: 0000000013e83000 CR4: 0000000000350ef0 Call Trace: CPU: 1 UID: 0 PID: 4067 Comm: syz-executor.4 Tainted: G D W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) Tainted: [D]=DIE, [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 queue_work_on+0xd0/0xe0 RIP: 0010:do_exit+0x1c36/0x2970 loop_queue_rq+0x5c8/0x1180 Code: 96 0a 00 00 c7 43 18 00 00 00 00 e9 21 e6 ff ff e8 ef b3 38 00 bf 02 24 00 00 e8 f5 ab 0b 00 e9 41 ff ff ff e8 db b3 38 00 90 <0f> 0b 90 e9 87 e4 ff ff e8 cd b3 38 00 4c 89 e6 bf 05 06 00 00 e8 __blk_mq_issue_directly+0xd5/0x260 RSP: 0018:ffff888042f97e40 EFLAGS: 00010246 blk_mq_request_issue_directly+0x11c/0x1e0 RAX: 0000000000040000 RBX: 0000000000000200 RCX: ffffc90001494000 blk_mq_issue_direct+0x192/0x640 RDX: 0000000000040000 RSI: ffffffff813b42d5 RDI: ffff88801742ad68 RBP: ffff888017429b80 R08: 0000000000000001 R09: fffffbfff0f126d8 blk_mq_dispatch_queue_requests+0x4b0/0x7c0 R10: 0000000000000200 R11: 3030303030302052 R12: 000000000000000b blk_mq_flush_plug_list+0x1ec/0x5b0 R13: 0000000000002710 R14: dffffc000405d8c0 R15: 0000000000000000 FS: 00007f85d0a18700(0000) GS:ffff8880e56d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1e595ab000 CR3: 000000000b7f2000 CR4: 0000000000350ef0 Call Trace: __blk_flush_plug+0x25c/0x460 make_task_dead+0x174/0x3b0 __submit_bio+0x480/0x5b0 rewind_stack_and_make_dead+0x16/0x20 RIP: 0033:0x7f85d34a404a 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:00007f85d0a17fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 submit_bio_noacct_nocheck+0x68e/0xcb0 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f85d34a404a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f85d0a18000 RBP: 00007f85d0a18040 R08: 00007f85d0a18040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 submit_bio_noacct+0x359/0x1350 R13: 0000000020000100 R14: 00007f85d0a18000 R15: 0000000020010d00 __bread_gfp+0x18b/0x3c0 fat_fill_super+0x5e1/0x3fd0 irq event stamp: 604 hardirqs last enabled at (603): [] ktime_get+0x1c7/0x270 hardirqs last disabled at (604): [] _raw_spin_lock_irq+0x42/0x50 softirqs last enabled at (584): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (535): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- 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: 0033:0x7f314722504a 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:00007f3144798fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f314722504a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f3144799000 RBP: 00007f3144799040 R08: 00007f3144799040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f3144799000 R15: 0000000020010d00 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__queue_work+0x202/0x1240 Code: 48 8b 6d 00 e8 4f ee 79 03 31 ff 41 89 c5 89 c6 e8 c3 02 32 00 45 85 ed 0f 85 e1 05 00 00 e8 85 07 32 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:ffff888042f973f0 EFLAGS: 00010016 RAX: 000000000405d8c0 RBX: ffff88801eeb3218 RCX: ffffc90001494000 RDX: 0000000000040000 RSI: ffffffff8141ef2b RDI: 0000000000000005 RBP: 00000000202ec600 R08: 0000000000000001 R09: fffffbfff0f128f4 R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000001 R15: ffff888041ade800 FS: 00007f3144799700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 FAT-fs (loop1): Directory bread(block 6) failed CR2: 00007f314479a000 CR3: 0000000013e83000 CR4: 0000000000350ef0 FAT-fs (loop1): Directory bread(block 7) failed note: syz-executor.0[4076] exited with irqs disabled note: syz-executor.0[4076] exited with preempt_count 1 FAT-fs (loop1): Directory bread(block 8) failed ------------[ cut here ]------------ WARNING: kernel/exit.c:898 at do_exit+0x1c36/0x2970, CPU#0: syz-executor.0/4076 FAT-fs (loop1): Directory bread(block 9) failed Modules linked in: CPU: 0 UID: 0 PID: 4076 Comm: syz-executor.0 Tainted: G D W 6.17.0-rc4-next-20250901 #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 ef b3 38 00 bf 02 24 00 00 e8 f5 ab 0b 00 e9 41 ff ff ff e8 db b3 38 00 90 <0f> 0b 90 e9 87 e4 ff ff e8 cd b3 38 00 4c 89 e6 bf 05 06 00 00 e8 RSP: 0018:ffff888040ad7e40 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 0000000000000200 RCX: ffffc900066bd000 RDX: 0000000000040000 RSI: ffffffff813b42d5 RDI: ffff8880412148e8 RBP: ffff888041213700 R08: 0000000000000001 R09: fffffbfff0f126d8 R10: 0000000000000200 R11: 0000000000000001 R12: 000000000000000b R13: 0000000000002710 R14: dffffc000405d860 R15: 0000000000000000 FS: 00007f3144799700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f314479a000 CR3: 0000000013e83000 CR4: 0000000000350ef0 Call Trace: make_task_dead+0x174/0x3b0 rewind_stack_and_make_dead+0x16/0x20 RIP: 0033:0x7f314722504a 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:00007f3144798fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f314722504a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f3144799000 RBP: 00007f3144799040 R08: 00007f3144799040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f3144799000 R15: 0000000020010d00 irq event stamp: 97 hardirqs last enabled at (97): [] do_syscall_64+0x85/0x360 hardirqs last disabled at (96): [] entry_SYSCALL_64_after_hwframe+0x77/0x7f softirqs last enabled at (0): [] copy_process+0x1e58/0x73c0 softirqs last disabled at (0): [<0000000000000000>] 0x0 ---[ 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: 4076, name: syz-executor.0 preempt_count: 0, expected: 0 RCU nest depth: 2, expected: 0 INFO: lockdep is turned off. CPU: 0 UID: 0 PID: 4076 Comm: syz-executor.0 Tainted: G D W 6.17.0-rc4-next-20250901 #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: 0033:0x7f314722504a 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:00007f3144798fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f314722504a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f3144799000 RBP: 00007f3144799040 R08: 00007f3144799040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f3144799000 R15: 0000000020010d00 FAT-fs (loop1): Directory bread(block 6) failed FAT-fs (loop1): Directory bread(block 7) failed FAT-fs (loop1): Directory bread(block 8) failed FAT-fs (loop1): Directory bread(block 9) failed loop1: detected capacity change from 0 to 6 FAT-fs (loop1): Directory bread(block 6) failed FAT-fs (loop1): Directory bread(block 7) failed FAT-fs (loop1): Directory bread(block 8) failed FAT-fs (loop1): Directory bread(block 9) failed FAT-fs (loop1): Directory bread(block 6) failed FAT-fs (loop1): Directory bread(block 7) failed FAT-fs (loop1): Directory bread(block 8) failed FAT-fs (loop1): Directory bread(block 9) failed FAT-fs (loop1): Directory bread(block 6) failed FAT-fs (loop1): Directory bread(block 7) failed kmemleak: Automatic memory scanning thread ended Oops: general protection fault, probably for non-canonical address 0xdffffc0020000032: 0000 [#3] SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x0000000100000190-0x0000000100000197] CPU: 0 UID: 0 PID: 4120 Comm: syz-executor.5 Tainted: G D W 6.17.0-rc4-next-20250901 #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:ffff88804385f600 EFLAGS: 00010212 RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: ffffc900038a6000 RDX: 0000000000040000 RSI: ffffffff8189a4e7 RDI: 0000000100000190 RBP: ffff88804385f870 R08: ffff88806ce31340 R09: ffffe8ffffc15d18 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: 000000000000002c R14: ffff88806ce31340 R15: dffffc0000000000 FS: 00007fc04777f700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000000408a4000 CR4: 0000000000350ef0 Call Trace: perf_trace_run_bpf_submit+0xef/0x180 perf_trace_lock+0x337/0x5d0 lock_release+0x1ab/0x290 futex_ref_get+0x119/0x300 futex_hash+0x70/0x390 futex_wait_setup+0xae/0x550 __futex_wait+0x151/0x300 futex_wait+0xde/0x380 do_futex+0x2ee/0x370 __x64_sys_futex+0x1c9/0x4d0 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc04a209b19 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:00007fc04777f218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007fc04a31cf68 RCX: 00007fc04a209b19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc04a31cf68 RBP: 00007fc04a31cf60 R08: 00007fc04777f700 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc04a31cf6c R13: 00007ffe892b34cf R14: 00007fc04777f300 R15: 0000000000022000 Modules linked in: Oops: general protection fault, probably for non-canonical address 0xdffffc0020000032: 0000 [#4] SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x0000000100000190-0x0000000100000197] CPU: 0 UID: 0 PID: 4120 Comm: syz-executor.5 Tainted: G D W 6.17.0-rc4-next-20250901 #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:ffff88806ce08a80 EFLAGS: 00010012 RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: 0000000000000002 RDX: ffff88801742b700 RSI: ffffffff8189a4e7 RDI: 0000000100000190 RBP: ffff88806ce08cf0 R08: ffff88806ce31490 R09: ffffe8ffffc15d18 R10: 0000000000000000 R11: ffff88806ce37018 R12: dffffc0000000000 R13: 0000000000000024 R14: ffff88806ce31490 R15: dffffc0000000000 FS: 00007fc04777f700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000000408a4000 CR4: 0000000000350ef0 Call Trace: perf_trace_run_bpf_submit+0xef/0x180 perf_trace_lock+0x337/0x5d0 lock_release+0x1ab/0x290 _raw_spin_unlock+0x16/0x40 sched_ttwu_pending+0x2e0/0x4a0 __flush_smp_call_function_queue+0x434/0x740 __sysvec_call_function_single+0x6d/0x370 sysvec_call_function_single+0xa1/0xc0 asm_sysvec_call_function_single+0x1a/0x20 RIP: 0010:oops_exit+0x0/0x50 Code: 00 3a 00 be ff ff ff ff 48 c7 c7 50 b4 43 86 e8 c6 0f f9 ff 5b e9 50 00 3a 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <66> 0f 1f 00 53 e8 36 00 3a 00 8b 1d c0 3d 4f 06 31 ff 89 de e8 57 RSP: 0018:ffff88804385f490 EFLAGS: 00000202 RAX: 0000000000026eaa RBX: 0000000000000216 RCX: ffffc900038a6000 RDX: 0000000000040000 RSI: ffffffff812a3dca RDI: 0000000000000007 RBP: 000000000000000b R08: 0000000000000001 R09: fffffbfff0f12690 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88804385f558 R13: 0000000000000000 R14: dffffc0020000032 R15: 0000000000000000 oops_end+0x65/0xe0 exc_general_protection+0x1a2/0x330 asm_exc_general_protection+0x26/0x30 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:ffff88804385f600 EFLAGS: 00010212 RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: ffffc900038a6000 RDX: 0000000000040000 RSI: ffffffff8189a4e7 RDI: 0000000100000190 RBP: ffff88804385f870 R08: ffff88806ce31340 R09: ffffe8ffffc15d18 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: 000000000000002c R14: ffff88806ce31340 R15: dffffc0000000000 perf_trace_run_bpf_submit+0xef/0x180 perf_trace_lock+0x337/0x5d0 lock_release+0x1ab/0x290 futex_ref_get+0x119/0x300 futex_hash+0x70/0x390 futex_wait_setup+0xae/0x550 __futex_wait+0x151/0x300 futex_wait+0xde/0x380 do_futex+0x2ee/0x370 __x64_sys_futex+0x1c9/0x4d0 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc04a209b19 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:00007fc04777f218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007fc04a31cf68 RCX: 00007fc04a209b19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc04a31cf68 RBP: 00007fc04a31cf60 R08: 00007fc04777f700 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc04a31cf6c R13: 00007ffe892b34cf R14: 00007fc04777f300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- Oops: general protection fault, probably for non-canonical address 0xdffffc0000000032: 0000 [#5] SMP KASAN NOPTI RIP: 0010:__queue_work+0x202/0x1240 KASAN: null-ptr-deref in range [0x0000000000000190-0x0000000000000197] Code: 48 8b 6d 00 e8 4f ee 79 03 31 ff 41 89 c5 89 c6 e8 c3 02 32 00 45 85 ed 0f 85 e1 05 00 00 e8 85 07 32 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 CPU: 1 UID: 0 PID: 4121 Comm: syz-executor.3 Tainted: G D W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) RSP: 0018:ffff888042f973f0 EFLAGS: 00010016 Tainted: [D]=DIE, [W]=WARN RAX: 000000000405d8c0 RBX: ffff88801eeb3218 RCX: ffffc90001494000 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RDX: 0000000000040000 RSI: ffffffff8141ef2b RDI: 0000000000000005 RIP: 0010:perf_tp_event+0x175/0xe70 RBP: 00000000202ec600 R08: 0000000000000001 R09: fffffbfff0f128f4 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 R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 RSP: 0018:ffff88804103f800 EFLAGS: 00010212 R13: 0000000000000001 R14: 0000000000000001 R15: ffff888041ade800 RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002 FS: 00007fc04777f700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 RDX: ffff88800e461b80 RSI: ffffffff8189a4e7 RDI: 0000000000000191 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RBP: ffff88804103fa70 R08: ffff88806cf31340 R09: ffffe8ffffd15d18 CR2: 0000000000000000 CR3: 00000000408a4000 CR4: 0000000000350ef0 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 ---------------- Code disassembly (best guess): 0: 48 8b 6d 00 mov 0x0(%rbp),%rbp 4: e8 4f ee 79 03 callq 0x379ee58 9: 31 ff xor %edi,%edi b: 41 89 c5 mov %eax,%r13d e: 89 c6 mov %eax,%esi 10: e8 c3 02 32 00 callq 0x3202d8 15: 45 85 ed test %r13d,%r13d 18: 0f 85 e1 05 00 00 jne 0x5ff 1e: e8 85 07 32 00 callq 0x3207a8 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)