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Re: [syzbot] [ext4?] BUG: sleeping function called from invalid context in alloc_buffer_head | 1 (1) | 2023/05/10 19:03 |
[syzbot] [ext4?] BUG: sleeping function called from invalid context in alloc_buffer_head | 1 (2) | 2023/05/10 18:59 |
[PATCH] workingset: add missing rcu_read_unlock() in lru_gen_refault() | 3 (3) | 2023/05/09 23:59 |
BUG: sleeping function called from invalid context at include/linux/sched/mm.h:306 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 6396, name: modprobe preempt_count: 0, expected: 0 RCU nest depth: 1, expected: 0 2 locks held by modprobe/6396: #0: ffff88801e210400 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:785 [inline] #0: ffff88801e210400 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: lookup_slow fs/namei.c:1706 [inline] #0: ffff88801e210400 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: walk_component+0x332/0x5a0 fs/namei.c:1998 #1: ffffffff8c7991c0 (rcu_read_lock){....}-{1:2}, at: lru_gen_refault mm/workingset.c:293 [inline] #1: ffffffff8c7991c0 (rcu_read_lock){....}-{1:2}, at: workingset_refault+0x175/0x11e0 mm/workingset.c:528 CPU: 1 PID: 6396 Comm: modprobe Not tainted 6.4.0-rc1-next-20230512-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x136/0x150 lib/dump_stack.c:106 __might_resched+0x358/0x580 kernel/sched/core.c:10148 might_alloc include/linux/sched/mm.h:306 [inline] slab_pre_alloc_hook mm/slab.h:670 [inline] slab_alloc_node mm/slub.c:3433 [inline] slab_alloc mm/slub.c:3459 [inline] __kmem_cache_alloc_lru mm/slub.c:3466 [inline] kmem_cache_alloc+0x357/0x3b0 mm/slub.c:3475 kmem_cache_zalloc include/linux/slab.h:670 [inline] alloc_buffer_head+0x24/0x150 fs/buffer.c:3044 folio_alloc_buffers+0x2f2/0x810 fs/buffer.c:941 alloc_page_buffers fs/buffer.c:976 [inline] grow_dev_page fs/buffer.c:1084 [inline] grow_buffers fs/buffer.c:1130 [inline] __getblk_slow+0x612/0x1230 fs/buffer.c:1157 __getblk_gfp+0x72/0x80 fs/buffer.c:1452 sb_getblk include/linux/buffer_head.h:369 [inline] __ext4_get_inode_loc+0x4ab/0x1330 fs/ext4/inode.c:4376 __ext4_get_inode_loc_noinmem+0xb9/0x160 fs/ext4/inode.c:4489 __ext4_iget+0x426/0x4430 fs/ext4/inode.c:4686 ext4_lookup fs/ext4/namei.c:1851 [inline] ext4_lookup+0x387/0x700 fs/ext4/namei.c:1826 __lookup_slow+0x24c/0x460 fs/namei.c:1690 lookup_slow fs/namei.c:1707 [inline] walk_component+0x33f/0x5a0 fs/namei.c:1998 link_path_walk.part.0+0x74e/0xd60 fs/namei.c:2325 link_path_walk fs/namei.c:2250 [inline] path_openat+0x25c/0x2750 fs/namei.c:3787 do_filp_open+0x1ba/0x410 fs/namei.c:3818 do_sys_openat2+0x16d/0x4c0 fs/open.c:1356 do_sys_open fs/open.c:1372 [inline] __do_sys_openat fs/open.c:1388 [inline] __se_sys_openat fs/open.c:1383 [inline] __x64_sys_openat+0x143/0x1f0 fs/open.c:1383 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f2737aada46 Code: 10 00 00 00 44 8b 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 44 89 c2 4c 89 ce bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 76 0c f7 d8 89 05 0a 48 01 00 48 83 c8 ff c3 31 RSP: 002b:00007ffff7f33bb8 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007ffff7f33e18 RCX: 00007f2737aada46 RDX: 0000000000080000 RSI: 00007ffff7f33c30 RDI: 00000000ffffff9c RBP: 00007ffff7f33c20 R08: 0000000000080000 R09: 00007ffff7f33c30 R10: 0000000000000000 R11: 0000000000000287 R12: 00007ffff7f33c30 R13: 0000000000000000 R14: 00007ffff7f33dff R15: 00000000ffffffff </TASK> ------------[ cut here ]------------ Voluntary context switch within RCU read-side critical section! WARNING: CPU: 0 PID: 6396 at kernel/rcu/tree_plugin.h:320 rcu_note_context_switch+0xbb9/0x1800 kernel/rcu/tree_plugin.h:320 Modules linked in: CPU: 0 PID: 6396 Comm: modprobe Tainted: G W 6.4.0-rc1-next-20230512-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 RIP: 0010:rcu_note_context_switch+0xbb9/0x1800 kernel/rcu/tree_plugin.h:320 Code: fd 04 68 00 4c 8b 4c 24 30 8b 4c 24 28 48 8b 54 24 20 e9 8f 03 00 00 48 c7 c7 c0 2a 4e 8a c6 05 73 2b f6 0c 01 e8 17 b5 dc ff <0f> 0b e9 4c f5 ff ff 81 e5 ff ff ff 7f 0f 84 d7 f6 ff ff 65 48 8b RSP: 0018:ffffc9000327f008 EFLAGS: 00010082 RAX: 0000000000000000 RBX: ffff8880b983d4c0 RCX: 0000000000000000 RDX: ffff88808e925940 RSI: ffffffff814bc477 RDI: 0000000000000001 RBP: ffff88808e925940 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff88808e925940 R14: ffffffff8e7b28b0 R15: ffff8880b983c5c0 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff21f494270 CR3: 0000000156476000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> __schedule+0x276/0x5790 kernel/sched/core.c:6569 schedule+0xde/0x1a0 kernel/sched/core.c:6745 io_schedule+0xbe/0x130 kernel/sched/core.c:8987 bit_wait_io+0x16/0xe0 kernel/sched/wait_bit.c:209 __wait_on_bit+0x64/0x180 kernel/sched/wait_bit.c:49 out_of_line_wait_on_bit+0xd9/0x110 kernel/sched/wait_bit.c:64 wait_on_bit_io include/linux/wait_bit.h:101 [inline] __wait_on_buffer+0x63/0x70 fs/buffer.c:123 wait_on_buffer include/linux/buffer_head.h:398 [inline] __ext4_get_inode_loc+0xac2/0x1330 fs/ext4/inode.c:4470 __ext4_get_inode_loc_noinmem+0xb9/0x160 fs/ext4/inode.c:4489 __ext4_iget+0x426/0x4430 fs/ext4/inode.c:4686 ext4_lookup fs/ext4/namei.c:1851 [inline] ext4_lookup+0x387/0x700 fs/ext4/namei.c:1826 __lookup_slow+0x24c/0x460 fs/namei.c:1690 lookup_slow fs/namei.c:1707 [inline] walk_component+0x33f/0x5a0 fs/namei.c:1998 link_path_walk.part.0+0x74e/0xd60 fs/namei.c:2325 link_path_walk fs/namei.c:2250 [inline] path_openat+0x25c/0x2750 fs/namei.c:3787 do_filp_open+0x1ba/0x410 fs/namei.c:3818 do_sys_openat2+0x16d/0x4c0 fs/open.c:1356 do_sys_open fs/open.c:1372 [inline] __do_sys_openat fs/open.c:1388 [inline] __se_sys_openat fs/open.c:1383 [inline] __x64_sys_openat+0x143/0x1f0 fs/open.c:1383 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f2737aada46 Code: 10 00 00 00 44 8b 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 44 89 c2 4c 89 ce bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 76 0c f7 d8 89 05 0a 48 01 00 48 83 c8 ff c3 31 RSP: 002b:00007ffff7f33bb8 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007ffff7f33e18 RCX: 00007f2737aada46 RDX: 0000000000080000 RSI: 00007ffff7f33c30 RDI: 00000000ffffff9c RBP: 00007ffff7f33c20 R08: 0000000000080000 R09: 00007ffff7f33c30 R10: 0000000000000000 R11: 0000000000000287 R12: 00007ffff7f33c30 R13: 0000000000000000 R14: 00007ffff7f33dff R15: 00000000ffffffff </TASK>
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2023/05/14 21:35 | linux-next | e922ba281a8d | 2b9ba477 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | BUG: sleeping function called from invalid context in alloc_buffer_head | ||
2023/05/14 21:03 | linux-next | e922ba281a8d | 2b9ba477 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | BUG: sleeping function called from invalid context in alloc_buffer_head | ||
2023/05/14 14:52 | linux-next | e922ba281a8d | 2b9ba477 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | BUG: sleeping function called from invalid context in alloc_buffer_head | ||
2023/05/14 09:16 | linux-next | e922ba281a8d | 2b9ba477 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | BUG: sleeping function called from invalid context in alloc_buffer_head | ||
2023/05/14 07:46 | linux-next | e922ba281a8d | 2b9ba477 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | BUG: sleeping function called from invalid context in alloc_buffer_head | ||
2023/05/14 06:52 | linux-next | e922ba281a8d | 2b9ba477 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | BUG: sleeping function called from invalid context in alloc_buffer_head | ||
2023/05/11 01:53 | linux-next | 578215f3e21c | 0fbd49f4 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | BUG: sleeping function called from invalid context in alloc_buffer_head | ||
2023/05/09 05:01 | linux-next | 52025ebbb518 | f4168103 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | BUG: sleeping function called from invalid context in alloc_buffer_head | ||
2023/05/08 21:37 | linux-next | 52025ebbb518 | 90c93c40 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | BUG: sleeping function called from invalid context in alloc_buffer_head | ||
2023/05/08 19:33 | linux-next | 52025ebbb518 | 90c93c40 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | BUG: sleeping function called from invalid context in alloc_buffer_head | ||
2023/05/07 14:30 | linux-next | 83e5775d7afd | 90c93c40 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | BUG: sleeping function called from invalid context in alloc_buffer_head | ||
2023/05/07 10:39 | linux-next | 83e5775d7afd | 90c93c40 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | BUG: sleeping function called from invalid context in alloc_buffer_head | ||
2023/05/07 03:44 | linux-next | 83e5775d7afd | 90c93c40 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | BUG: sleeping function called from invalid context in alloc_buffer_head | ||
2023/05/06 13:20 | linux-next | 83e5775d7afd | 90c93c40 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | BUG: sleeping function called from invalid context in alloc_buffer_head | ||
2023/05/05 11:36 | linux-next | 145e5cddfe8b | 518a39a6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | BUG: sleeping function called from invalid context in alloc_buffer_head |