BUG: unable to handle page fault for address: ffffc90000fde030 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 10000067 P4D 10000067 PUD 101b1067 PMD 140796067 PTE 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 13373 Comm: syz-executor.5 Not tainted 5.10.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:bpf_dispatcher_nop_func include/linux/bpf.h:644 [inline] RIP: 0010:__bpf_trace_run kernel/trace/bpf_trace.c:2045 [inline] RIP: 0010:bpf_trace_run3+0x145/0x3f0 kernel/trace/bpf_trace.c:2083 Code: f7 ff 48 8d 7b 30 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 9f 02 00 00 48 8d 73 38 48 8d 7c 24 28 53 30 e8 33 2c f7 ff e8 9e 9a 6b 07 31 ff 89 c3 89 c6 e8 73 24 RSP: 0018:ffffc9000180ec10 EFLAGS: 00010082 RAX: 0000000000000000 RBX: ffffc90000fde000 RCX: ffffffff8178df80 RDX: 0000000000000000 RSI: ffffc90000fde038 RDI: ffffc9000180ec38 RBP: 1ffff92000301d83 R08: 0000000000000000 R09: ffffffff8ebac667 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffff888027551a40 R14: 0000000000000001 R15: ffff88801258cec0 FS: 00007f84bbef4700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90000fde030 CR3: 000000002a8e2000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __bpf_trace_sched_switch+0xdc/0x120 include/trace/events/sched.h:138 __traceiter_sched_switch+0x64/0xb0 include/trace/events/sched.h:138 trace_sched_switch include/trace/events/sched.h:138 [inline] __schedule+0xeb8/0x2130 kernel/sched/core.c:4520 preempt_schedule_irq+0x4e/0x90 kernel/sched/core.c:4784 irqentry_exit_cond_resched kernel/entry/common.c:357 [inline] irqentry_exit_cond_resched kernel/entry/common.c:349 [inline] irqentry_exit+0x7a/0xa0 kernel/entry/common.c:387 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:631 RIP: 0010:instrument_atomic_read include/linux/instrumented.h:71 [inline] RIP: 0010:test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline] RIP: 0010:buffer_dirty include/linux/buffer_head.h:121 [inline] RIP: 0010:mark_buffer_dirty+0x10b/0x5d0 fs/buffer.c:1125 Code: 02 00 0f 85 7a 04 00 00 48 8b 2b 31 ff 48 d1 ed 83 e5 01 89 ee e8 45 3f a4 ff 40 84 ed 74 4a e8 2b 47 a4 ff f0 83 44 24 fc 00 08 00 00 00 48 89 df e8 b8 9f e5 ff 48 89 da 48 b8 00 00 00 00 RSP: 0018:ffffc9000180ef78 EFLAGS: 00000286 RAX: 00000000000078b9 RBX: ffff88806384d0e8 RCX: ffffc90013e90000 RDX: 0000000000040000 RSI: ffffffff81cbc1f5 RDI: 0000000000000001 RBP: 0000000000000001 R08: 0000000000000000 R09: ffff88806384d0ef R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffffc9000180f108 __ext4_handle_dirty_metadata+0x3d0/0x730 fs/ext4/ext4_jbd2.c:362 ext4_do_update_inode fs/ext4/inode.c:5134 [inline] ext4_mark_iloc_dirty+0x1990/0x36e0 fs/ext4/inode.c:5711 __ext4_mark_inode_dirty+0x21d/0x8a0 fs/ext4/inode.c:5905 ext4_dirty_inode+0xf3/0x130 fs/ext4/inode.c:5941 __mark_inode_dirty+0x888/0x1190 fs/fs-writeback.c:2260 mark_inode_dirty include/linux/fs.h:2167 [inline] dquot_alloc_space include/linux/quotaops.h:317 [inline] dquot_alloc_block include/linux/quotaops.h:334 [inline] ext4_mb_new_blocks+0x608/0x4f50 fs/ext4/mballoc.c:4959 ext4_alloc_branch fs/ext4/indirect.c:333 [inline] ext4_ind_map_blocks+0x190f/0x2460 fs/ext4/indirect.c:626 ext4_map_blocks+0x9c5/0x1770 fs/ext4/inode.c:628 ext4_iomap_alloc fs/ext4/inode.c:3417 [inline] ext4_iomap_begin+0x419/0x750 fs/ext4/inode.c:3467 iomap_apply+0x177/0xb50 fs/iomap/apply.c:46 __iomap_dio_rw+0x6cd/0x1220 fs/iomap/direct-io.c:517 iomap_dio_rw+0x31/0x90 fs/iomap/direct-io.c:605 ext4_dio_write_iter fs/ext4/file.c:552 [inline] ext4_file_write_iter+0xddc/0x1400 fs/ext4/file.c:662 call_write_iter include/linux/fs.h:1887 [inline] new_sync_write+0x426/0x650 fs/read_write.c:518 vfs_write+0x57d/0x700 fs/read_write.c:605 ksys_write+0x12d/0x250 fs/read_write.c:658 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45deb9 Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f84bbef3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 000000000003abc0 RCX: 000000000045deb9 RDX: 0000000000032600 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 000000000118c008 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bfd4 R13: 00007ffe3b498a4f R14: 00007f84bbef49c0 R15: 000000000118bfd4 Modules linked in: CR2: ffffc90000fde030 ---[ end trace b68ae82406722ea6 ]--- RIP: 0010:bpf_dispatcher_nop_func include/linux/bpf.h:644 [inline] RIP: 0010:__bpf_trace_run kernel/trace/bpf_trace.c:2045 [inline] RIP: 0010:bpf_trace_run3+0x145/0x3f0 kernel/trace/bpf_trace.c:2083 Code: f7 ff 48 8d 7b 30 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 9f 02 00 00 48 8d 73 38 48 8d 7c 24 28 53 30 e8 33 2c f7 ff e8 9e 9a 6b 07 31 ff 89 c3 89 c6 e8 73 24 RSP: 0018:ffffc9000180ec10 EFLAGS: 00010082 RAX: 0000000000000000 RBX: ffffc90000fde000 RCX: ffffffff8178df80 RDX: 0000000000000000 RSI: ffffc90000fde038 RDI: ffffc9000180ec38 RBP: 1ffff92000301d83 R08: 0000000000000000 R09: ffffffff8ebac667 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffff888027551a40 R14: 0000000000000001 R15: ffff88801258cec0 FS: 00007f84bbef4700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90000fde030 CR3: 000000002a8e2000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400