Oops: general protection fault, probably for non-canonical address 0xdffffc0020000032: 0000 [#1] SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x0000000100000190-0x0000000100000197] CPU: 0 UID: 0 PID: 3937 Comm: syz-executor.3 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: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:ffff8880192af600 EFLAGS: 00010212 RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: ffffc90005001000 RDX: 0000000000040000 RSI: ffffffff8189a4e7 RDI: 0000000100000190 RBP: ffff8880192af870 R08: ffff88806ce31340 R09: ffffe8ffffc16bb0 R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 R13: 000000000000002c R14: ffff88806ce31340 R15: dffffc0000000000 FS: 00007f3c8b12c700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000040 CR3: 000000000de3d000 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: 0033:0x7f3c8dbb6b19 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:00007f3c8b12c218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f3c8dcc9f68 RCX: 00007f3c8dbb6b19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f3c8dcc9f68 RBP: 00007f3c8dcc9f60 R08: 00007f3c8b12c700 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3c8dcc9f6c R13: 00007ffcc00bcccf R14: 00007f3c8b12c300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- 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:ffff8880192af600 EFLAGS: 00010212 RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: ffffc90005001000 RDX: 0000000000040000 RSI: ffffffff8189a4e7 RDI: 0000000100000190 RBP: ffff8880192af870 R08: ffff88806ce31340 R09: ffffe8ffffc16bb0 R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 R13: 000000000000002c R14: ffff88806ce31340 R15: dffffc0000000000 FS: 00007f3c8b12c700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000040 CR3: 000000000de3d000 CR4: 0000000000350ef0 note: syz-executor.3[3937] exited with preempt_count 1 BUG: sleeping function called from invalid context at ./include/linux/percpu-rwsem.h:51 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 3937, 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: 3937 Comm: syz-executor.3 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: 0033:0x7f3c8dbb6b19 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:00007f3c8b12c218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f3c8dcc9f68 RCX: 00007f3c8dbb6b19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f3c8dcc9f68 RBP: 00007f3c8dcc9f60 R08: 00007f3c8b12c700 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3c8dcc9f6c R13: 00007ffcc00bcccf R14: 00007f3c8b12c300 R15: 0000000000022000 tmpfs: Unknown parameter 'uid>18446744073709551615' I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 FAT-fs (loop5): unable to read boot sector tmpfs: Unknown parameter 'uid>18446744073709551615' kmemleak: Found object by alias at 0x607f1a63ebb8 CPU: 0 UID: 0 PID: 3947 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 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: 0033:0x7face0cb9b19 Code: Unable to access opcode bytes at 0x7face0cb9aef. RSP: 002b:00007facde22f218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007face0dccf68 RCX: 00007face0cb9b19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007face0dccf68 RBP: 00007face0dccf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007face0dccf6c R13: 00007ffd92c3702f R14: 00007facde22f300 R15: 0000000000022000 kmemleak: Object (percpu) 0x607f1a63ebb0 (size 16): kmemleak: comm "syz-executor.5", pid 284, jiffies 4294790876 kmemleak: min_count = 1 kmemleak: count = 0 kmemleak: flags = 0x21 kmemleak: checksum = 0 kmemleak: backtrace: pcpu_alloc_noprof+0x87a/0x1170 mm_init+0x99b/0x1170 copy_process+0x3ab7/0x73c0 kernel_clone+0xea/0x7f0 __do_sys_clone+0xce/0x120 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f kmemleak: Found object by alias at 0x607f1a63ebc4 CPU: 0 UID: 0 PID: 3949 Comm: syz-executor.6 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+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: 0033:0x7f547020bb19 Code: Unable to access opcode bytes at 0x7f547020baef. RSP: 002b:00007ffcecc82408 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007f547020bb19 RDX: 00007f54701be72b RSI: ffffffffffffffbc RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000001b2d625868 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffcecc824f0 kmemleak: Object (percpu) 0x607f1a63ebc0 (size 8): kmemleak: comm "syz-executor.5", pid 3947, jiffies 4294790883 kmemleak: min_count = 1 kmemleak: count = 0 kmemleak: flags = 0x21 kmemleak: checksum = 0 kmemleak: backtrace: pcpu_alloc_noprof+0x87a/0x1170 __alloc_workqueue+0x74b/0x1820 alloc_workqueue_noprof+0xc7/0x200 loop_configure+0xf73/0x1590 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 loop2: detected capacity change from 0 to 128 kmemleak: Found object by alias at 0x607f1a63ebc4 CPU: 0 UID: 0 PID: 3963 Comm: syz-executor.6 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+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: 0033:0x7f547020bb19 Code: Unable to access opcode bytes at 0x7f547020baef. RSP: 002b:00007ffcecc82408 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007f547020bb19 RDX: 00007f54701be72b RSI: ffffffffffffffbc RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000001b2d6257e4 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffcecc824f0 kmemleak: Object (percpu) 0x607f1a63ebc0 (size 8): kmemleak: comm "syz-executor.2", pid 3972, jiffies 4294791100 kmemleak: min_count = 1 kmemleak: count = 0 kmemleak: flags = 0x21 kmemleak: checksum = 0 kmemleak: backtrace: pcpu_alloc_noprof+0x87a/0x1170 __alloc_workqueue+0x74b/0x1820 alloc_workqueue_noprof+0xc7/0x200 loop_configure+0xf73/0x1590 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 I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 kmemleak: Cannot insert 0x607f1a63ebc4 into the object search tree (overlaps existing) CPU: 0 UID: 0 PID: 3972 Comm: syz-executor.2 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+0xca/0x120 __link_object+0x190/0x210 __create_object+0x48/0x80 pcpu_alloc_noprof+0x87a/0x1170 __percpu_init_rwsem+0x2d/0x160 alloc_super+0x29e/0xb80 sget_fc+0xfe/0xb80 get_tree_bdev_flags+0x1b8/0x620 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: 0033:0x7f121eb5d04a 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:00007f121c0d0fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f121eb5d04a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f121c0d1000 RBP: 00007f121c0d1040 R08: 00007f121c0d1040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f121c0d1000 R15: 0000000020010d00 kmemleak: Kernel memory leak detector disabled kmemleak: Object (percpu) 0x607f1a63ebc0 (size 8): kmemleak: comm "syz-executor.2", pid 3972, jiffies 4294791100 kmemleak: min_count = 1 kmemleak: count = 0 kmemleak: flags = 0x21 kmemleak: checksum = 0 kmemleak: backtrace: pcpu_alloc_noprof+0x87a/0x1170 __alloc_workqueue+0x74b/0x1820 alloc_workqueue_noprof+0xc7/0x200 loop_configure+0xf73/0x1590 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 FAT-fs (loop5): unable to read boot sector Oops: general protection fault, probably for non-canonical address 0xdffffc0001d28f20: 0000 [#2] SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x000000000e947900-0x000000000e947907] CPU: 0 UID: 0 PID: 3972 Comm: syz-executor.2 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:__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:ffff8880459af3f0 EFLAGS: 00010012 RAX: 0000000001d28f20 RBX: ffff8880456b5118 RCX: ffffc90003ff9000 RDX: 0000000000040000 RSI: ffffffff8141ef2b RDI: 0000000000000005 RBP: 000000000e947900 R08: 0000000000000000 R09: fffffbfff0f128f4 R10: 0000000000000000 R11: ffff88801b85f000 R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88800efb6800 FS: 00007f121c0d1700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdf4484d004 CR3: 000000000da90000 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: 0033:0x7f121eb5d04a 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:00007f121c0d0fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f121eb5d04a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f121c0d1000 RBP: 00007f121c0d1040 R08: 00007f121c0d1040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f121c0d1000 R15: 0000000020010d00 Modules linked in: ---[ end trace 0000000000000000 ]--- 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:ffff8880192af600 EFLAGS: 00010212 RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: ffffc90005001000 RDX: 0000000000040000 RSI: ffffffff8189a4e7 RDI: 0000000100000190 RBP: ffff8880192af870 R08: ffff88806ce31340 R09: ffffe8ffffc16bb0 R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 R13: 000000000000002c R14: ffff88806ce31340 R15: dffffc0000000000 FS: 00007f121c0d1700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdf4484d004 CR3: 000000000da90000 CR4: 0000000000350ef0 note: syz-executor.2[3972] exited with irqs disabled note: syz-executor.2[3972] exited with preempt_count 1 ------------[ cut here ]------------ WARNING: kernel/exit.c:898 at do_exit+0x1c36/0x2970, CPU#0: syz-executor.2/3972 Modules linked in: CPU: 0 UID: 0 PID: 3972 Comm: syz-executor.2 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:ffff8880459afe40 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 0000000000000200 RCX: ffffc90003ff9000 RDX: 0000000000040000 RSI: ffffffff813b42d5 RDI: ffff88801c21c8e8 RBP: ffff88801c21b700 R08: 0000000000000001 R09: fffffbfff0f126d8 R10: 0000000000000200 R11: 0000000000000001 R12: 000000000000000b R13: 0000000000002710 R14: dffffc0001d28f20 R15: 0000000000000000 FS: 00007f121c0d1700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdf4484d004 CR3: 000000000da90000 CR4: 0000000000350ef0 Call Trace: make_task_dead+0x174/0x3b0 rewind_stack_and_make_dead+0x16/0x20 RIP: 0033:0x7f121eb5d04a 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:00007f121c0d0fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f121eb5d04a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f121c0d1000 RBP: 00007f121c0d1040 R08: 00007f121c0d1040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f121c0d1000 R15: 0000000020010d00 irq event stamp: 0 hardirqs last enabled at (0): [<0000000000000000>] 0x0 hardirqs last disabled at (0): [] copy_process+0x1e08/0x73c0 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: 3972, name: syz-executor.2 preempt_count: 0, expected: 0 RCU nest depth: 2, expected: 0 INFO: lockdep is turned off. CPU: 0 UID: 0 PID: 3972 Comm: syz-executor.2 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: 0033:0x7f121eb5d04a 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:00007f121c0d0fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f121eb5d04a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f121c0d1000 RBP: 00007f121c0d1040 R08: 00007f121c0d1040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f121c0d1000 R15: 0000000020010d00 kmemleak: Automatic memory scanning thread ended Oops: general protection fault, probably for non-canonical address 0xdffffc0001d28f20: 0000 [#3] SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x000000000e947900-0x000000000e947907] CPU: 0 UID: 0 PID: 3986 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:__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:ffff88801a44f3f0 EFLAGS: 00010012 RAX: 0000000001d28f20 RBX: ffff888016a58218 RCX: ffffc900039f6000 RDX: 0000000000040000 RSI: ffffffff8141ef2b RDI: 0000000000000005 RBP: 000000000e947900 R08: 0000000000000000 R09: fffffbfff0f128f4 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888046297800 FS: 00007facde22f700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007facde230000 CR3: 0000000043d93000 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: 0033:0x7face0cbb04a 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:00007facde22efa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000280 RCX: 00007face0cbb04a RDX: 0000000020000000 RSI: 0000000020000040 RDI: 00007facde22f000 RBP: 00007facde22f040 R08: 00007facde22f040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 R13: 0000000020000040 R14: 00007facde22f000 R15: 0000000020000300 Modules linked in: ---[ end trace 0000000000000000 ]--- 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:ffff8880192af600 EFLAGS: 00010212 RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: ffffc90005001000 RDX: 0000000000040000 RSI: ffffffff8189a4e7 RDI: 0000000100000190 RBP: ffff8880192af870 R08: ffff88806ce31340 R09: ffffe8ffffc16bb0 R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 R13: 000000000000002c R14: ffff88806ce31340 R15: dffffc0000000000 FS: 00007facde22f700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007facde230000 CR3: 0000000043d93000 CR4: 0000000000350ef0 note: syz-executor.5[3986] exited with irqs disabled note: syz-executor.5[3986] exited with preempt_count 1 ------------[ cut here ]------------ WARNING: kernel/exit.c:898 at do_exit+0x1c36/0x2970, CPU#0: syz-executor.5/3986 Modules linked in: CPU: 0 UID: 0 PID: 3986 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: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:ffff88801a44fe40 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 0000000000000200 RCX: ffffc900039f6000 RDX: 0000000000040000 RSI: ffffffff813b42d5 RDI: ffff88800f4ee468 RBP: ffff88800f4ed280 R08: 0000000000000001 R09: fffffbfff0f126d8 R10: 0000000000000200 R11: 0000000000000001 R12: 000000000000000b R13: 0000000000002710 R14: dffffc0001d28f20 R15: 0000000000000000 FS: 00007facde22f700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007facde230000 CR3: 0000000043d93000 CR4: 0000000000350ef0 Call Trace: make_task_dead+0x174/0x3b0 rewind_stack_and_make_dead+0x16/0x20 RIP: 0033:0x7face0cbb04a 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:00007facde22efa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000280 RCX: 00007face0cbb04a RDX: 0000000020000000 RSI: 0000000020000040 RDI: 00007facde22f000 RBP: 00007facde22f040 R08: 00007facde22f040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 R13: 0000000020000040 R14: 00007facde22f000 R15: 0000000020000300 irq event stamp: 0 hardirqs last enabled at (0): [<0000000000000000>] 0x0 hardirqs last disabled at (0): [] copy_process+0x1e08/0x73c0 softirqs last enabled at (0): [] copy_process+0x1e58/0x73c0 softirqs last disabled at (0): [<0000000000000000>] 0x0 ---[ end trace 0000000000000000 ]--- 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: 4008 Comm: syz-executor.6 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:ffff8880465e7600 EFLAGS: 00010212 RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: 0000000000000002 RDX: ffff888015980000 RSI: ffffffff8189a4e7 RDI: 0000000100000190 RBP: ffff8880465e7870 R08: ffff88806ce31340 R09: ffffe8ffffc16bc0 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: 000000000000002c R14: ffff88806ce31340 R15: dffffc0000000000 FS: 0000555581b85400(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f79284a5018 CR3: 000000000fcbb000 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: 0033:0x7f547020bb19 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:00007ffcecc82258 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000032 RCX: 00007f547020bb19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f547031ef6c RBP: 00007f547031ef6c R08: 00007f54702fb000 R09: 0000000000000000 R10: 00007ffcecc82330 R11: 0000000000000246 R12: 000000000001ec45 R13: 00000000000003e8 R14: 00007f547031ef60 R15: 000000000001ec3e Modules linked in: Oops: general protection fault, probably for non-canonical address 0xdffffc0000000032: 0000 [#5] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000190-0x0000000000000197] CPU: 1 UID: 0 PID: 4010 Comm: syz-executor.1 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:ffff88801b81f800 EFLAGS: 00010212 RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002 RDX: ffff88800ef39b80 RSI: ffffffff8189a4e7 RDI: 0000000000000191 RBP: ffff88801b81fa70 R08: ffff88806cf31340 R09: ffffe8ffffd16bc0 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: 000000000000002c R14: ffff88806cf31340 R15: dffffc0000000000 FS: 0000555556093400(0000) GS:ffff8880e56d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556094c18 CR3: 000000004518f000 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_wake+0x143/0x540 do_futex+0x26d/0x370 __x64_sys_futex+0x1c9/0x4d0 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdf44335b19 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:00007ffd17b2b1b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdf44335b19 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fdf44448f68 RBP: 00007fdf44448f60 R08: 00007fdf418ab700 R09: 0000000000000000 R10: 00007fdf418ab700 R11: 0000000000000246 R12: 00007fdf4444d060 R13: 00007ffd17b2b2c0 R14: 00007fdf44448f60 R15: 000000000001ec4c Modules linked in: Oops: general protection fault, probably for non-canonical address 0xdffffc0020000032: 0000 [#6] SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x0000000100000190-0x0000000100000197] CPU: 0 UID: 0 PID: 4008 Comm: syz-executor.6 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: ffff888015980000 RSI: ffffffff8189a4e7 RDI: 0000000100000190 RBP: ffff88806ce08cf0 R08: ffff88806ce31490 R09: ffffe8ffffc16bc0 R10: 0000000000000000 R11: ffff88806ce37018 R12: dffffc0000000000 R13: 0000000000000024 R14: ffff88806ce31490 R15: dffffc0000000000 FS: 0000555581b85400(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f79284a5018 CR3: 000000000fcbb000 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:ffff8880465e7490 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000293 RCX: ffffffff8139f06f RDX: ffff888015980000 RSI: ffffffff812a3dca RDI: 0000000000000007 RBP: 000000000000000b R08: 0000000000000001 R09: fffffbfff0f12690 R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880465e7558 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:ffff8880465e7600 EFLAGS: 00010212 RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: 0000000000000002 RDX: ffff888015980000 RSI: ffffffff8189a4e7 RDI: 0000000100000190 RBP: ffff8880465e7870 R08: ffff88806ce31340 R09: ffffe8ffffc16bc0 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: 0033:0x7f547020bb19 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:00007ffcecc82258 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000032 RCX: 00007f547020bb19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f547031ef6c RBP: 00007f547031ef6c R08: 00007f54702fb000 R09: 0000000000000000 R10: 00007ffcecc82330 R11: 0000000000000246 R12: 000000000001ec45 R13: 00000000000003e8 R14: 00007f547031ef60 R15: 000000000001ec3e Modules linked in: ---[ end trace 0000000000000000 ]--- Oops: general protection fault, probably for non-canonical address 0xdffffc0000000032: 0000 [#7] SMP KASAN NOPTI RIP: 0010:perf_tp_event+0x175/0xe70 KASAN: null-ptr-deref in range [0x0000000000000190-0x0000000000000197] 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 CPU: 1 UID: 0 PID: 4010 Comm: syz-executor.1 Tainted: G D W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) RSP: 0018:ffff8880192af600 EFLAGS: 00010212 Tainted: [D]=DIE, [W]=WARN RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: ffffc90005001000 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RDX: 0000000000040000 RSI: ffffffff8189a4e7 RDI: 0000000100000190 RIP: 0010:perf_tp_event+0x175/0xe70 RBP: ffff8880192af870 R08: ffff88806ce31340 R09: ffffe8ffffc16bb0 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: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 RSP: 0018:ffff88806cf08a80 EFLAGS: 00010012 R13: 000000000000002c R14: ffff88806ce31340 R15: dffffc0000000000 FS: 0000555581b85400(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RDX: ffff88800ef39b80 RSI: ffffffff8189a4e7 RDI: 0000000000000191 CR2: 00007f79284a5018 CR3: 000000000fcbb000 CR4: 0000000000350ef0 RBP: ffff88806cf08cf0 R08: ffff88806cf31490 R09: ffffe8ffffd16bc0 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: df 48 89 fisttps -0x77(%rax) 3: 85 a8 fd ff ff 48 test %ebp,0x48fffffd(%rax) 9: c1 e8 03 shr $0x3,%eax c: 4c 01 e0 add %r12,%rax f: 48 89 85 c8 fd ff ff mov %rax,-0x238(%rbp) 16: e8 c9 51 ea ff callq 0xffea51e4 1b: 48 8d bb f0 01 00 00 lea 0x1f0(%rbx),%rdi 22: 48 89 f8 mov %rdi,%rax 25: 48 c1 e8 03 shr $0x3,%rax * 29: 42 0f b6 04 20 movzbl (%rax,%r12,1),%eax <-- trapping instruction 2e: 84 c0 test %al,%al 30: 74 08 je 0x3a 32: 3c 03 cmp $0x3,%al 34: 0f 8e c5 0b 00 00 jle 0xbff 3a: 44 rex.R 3b: 8b .byte 0x8b 3c: ab stos %eax,%es:(%rdi) 3d: f0 lock 3e: 01 .byte 0x1