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[syzbot] [block?] possible deadlock in submit_bio_noacct_nocheck | 0 (1) | 2024/12/28 02:52 |
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[syzbot] [block?] possible deadlock in submit_bio_noacct_nocheck | 0 (1) | 2024/12/28 02:52 |
====================================================== WARNING: possible circular locking dependency detected 6.13.0-syzkaller-00603-g3d3a9c8b89d4 #0 Not tainted ------------------------------------------------------ syz.1.1759/14749 is trying to acquire lock: ffff888142b81e00 (&q->q_usage_counter(io)#4){++++}-{0:0}, at: __submit_bio_noacct block/blk-core.c:678 [inline] ffff888142b81e00 (&q->q_usage_counter(io)#4){++++}-{0:0}, at: submit_bio_noacct_nocheck+0x892/0xd70 block/blk-core.c:741 but task is already holding lock: ffff888148d6abc0 (mapping.invalidate_lock#2){.+.+}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:886 [inline] ffff888148d6abc0 (mapping.invalidate_lock#2){.+.+}-{4:4}, at: page_cache_ra_unbounded+0x173/0x750 mm/readahead.c:226 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #4 (mapping.invalidate_lock#2){.+.+}-{4:4}: down_read+0x9a/0x330 kernel/locking/rwsem.c:1524 filemap_invalidate_lock_shared include/linux/fs.h:886 [inline] filemap_fault+0x2e0/0x2820 mm/filemap.c:3323 __do_fault+0x10a/0x490 mm/memory.c:4907 do_read_fault mm/memory.c:5322 [inline] do_fault mm/memory.c:5456 [inline] do_pte_missing+0xebd/0x3e00 mm/memory.c:3979 handle_pte_fault mm/memory.c:5801 [inline] __handle_mm_fault+0x103c/0x2a40 mm/memory.c:5944 handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6112 faultin_page mm/gup.c:1196 [inline] __get_user_pages+0x8d9/0x3b50 mm/gup.c:1494 __get_user_pages_locked mm/gup.c:1760 [inline] __gup_longterm_locked+0x211/0x1870 mm/gup.c:2532 gup_fast_fallback+0x1802/0x2690 mm/gup.c:3434 pin_user_pages_fast+0xa8/0x100 mm/gup.c:3540 iov_iter_extract_user_pages lib/iov_iter.c:1844 [inline] iov_iter_extract_pages+0x3a5/0x2010 lib/iov_iter.c:1907 __bio_iov_iter_get_pages block/bio.c:1278 [inline] bio_iov_iter_get_pages+0x37c/0x1100 block/bio.c:1360 __blkdev_direct_IO block/fops.c:208 [inline] blkdev_direct_IO+0x1054/0x1ad0 block/fops.c:385 blkdev_direct_write block/fops.c:652 [inline] blkdev_write_iter+0x6f9/0xd40 block/fops.c:719 new_sync_write fs/read_write.c:586 [inline] vfs_write+0x5ae/0x1150 fs/read_write.c:679 ksys_write+0x12b/0x250 fs/read_write.c:731 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #3 (&mm->mmap_lock){++++}-{4:4}: __might_fault mm/memory.c:6751 [inline] __might_fault+0x11b/0x190 mm/memory.c:6744 _inline_copy_from_user include/linux/uaccess.h:162 [inline] _copy_from_user+0x29/0xd0 lib/usercopy.c:18 copy_from_user include/linux/uaccess.h:212 [inline] __blk_trace_setup+0xa8/0x180 kernel/trace/blktrace.c:626 blk_trace_setup+0x47/0x70 kernel/trace/blktrace.c:648 sg_ioctl_common drivers/scsi/sg.c:1114 [inline] sg_ioctl+0x7a3/0x26b0 drivers/scsi/sg.c:1156 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl fs/ioctl.c:892 [inline] __x64_sys_ioctl+0x190/0x200 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #2 (&q->debugfs_mutex){+.+.}-{4:4}: __mutex_lock_common kernel/locking/mutex.c:585 [inline] __mutex_lock+0x19b/0xa60 kernel/locking/mutex.c:735 blk_register_queue+0x13c/0x4f0 block/blk-sysfs.c:774 add_disk_fwnode+0x785/0x1300 block/genhd.c:493 add_disk include/linux/blkdev.h:753 [inline] brd_alloc.isra.0+0x50a/0x7c0 drivers/block/brd.c:401 brd_init+0x12b/0x1d0 drivers/block/brd.c:481 do_one_initcall+0x128/0x630 init/main.c:1266 do_initcall_level init/main.c:1328 [inline] do_initcalls init/main.c:1344 [inline] do_basic_setup init/main.c:1363 [inline] kernel_init_freeable+0x58f/0x8b0 init/main.c:1577 kernel_init+0x1c/0x2b0 init/main.c:1466 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 -> #1 (&q->sysfs_lock){+.+.}-{4:4}: __mutex_lock_common kernel/locking/mutex.c:585 [inline] __mutex_lock+0x19b/0xa60 kernel/locking/mutex.c:735 queue_attr_store+0xe2/0x170 block/blk-sysfs.c:710 sysfs_kf_write+0x117/0x170 fs/sysfs/file.c:139 kernfs_fop_write_iter+0x33d/0x500 fs/kernfs/file.c:334 iter_file_splice_write+0x90f/0x10b0 fs/splice.c:743 do_splice_from fs/splice.c:941 [inline] direct_splice_actor+0x18f/0x6c0 fs/splice.c:1164 splice_direct_to_actor+0x346/0xa40 fs/splice.c:1108 do_splice_direct_actor fs/splice.c:1207 [inline] do_splice_direct+0x178/0x250 fs/splice.c:1233 do_sendfile+0xaed/0xe30 fs/read_write.c:1363 __do_sys_sendfile64 fs/read_write.c:1424 [inline] __se_sys_sendfile64 fs/read_write.c:1410 [inline] __x64_sys_sendfile64+0x1da/0x220 fs/read_write.c:1410 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #0 (&q->q_usage_counter(io)#4){++++}-{0:0}: check_prev_add kernel/locking/lockdep.c:3161 [inline] check_prevs_add kernel/locking/lockdep.c:3280 [inline] validate_chain kernel/locking/lockdep.c:3904 [inline] __lock_acquire+0x249e/0x3c40 kernel/locking/lockdep.c:5226 lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5849 bio_queue_enter block/blk.h:75 [inline] __submit_bio+0x49c/0x540 block/blk-core.c:630 __submit_bio_noacct block/blk-core.c:678 [inline] submit_bio_noacct_nocheck+0x892/0xd70 block/blk-core.c:741 submit_bio_noacct+0x93a/0x1e20 block/blk-core.c:868 mpage_bio_submit_read fs/mpage.c:75 [inline] mpage_readahead+0x41d/0x590 fs/mpage.c:377 read_pages+0x1a8/0xdc0 mm/readahead.c:160 page_cache_ra_unbounded+0x3dc/0x750 mm/readahead.c:295 do_page_cache_ra mm/readahead.c:325 [inline] page_cache_ra_order+0x8f2/0xc80 mm/readahead.c:524 do_sync_mmap_readahead mm/filemap.c:3194 [inline] filemap_fault+0x14a5/0x2820 mm/filemap.c:3335 __do_fault+0x10a/0x490 mm/memory.c:4907 do_read_fault mm/memory.c:5322 [inline] do_fault mm/memory.c:5456 [inline] do_pte_missing+0xebd/0x3e00 mm/memory.c:3979 handle_pte_fault mm/memory.c:5801 [inline] __handle_mm_fault+0x103c/0x2a40 mm/memory.c:5944 handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6112 do_user_addr_fault+0x60d/0x13f0 arch/x86/mm/fault.c:1338 handle_page_fault arch/x86/mm/fault.c:1481 [inline] exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1539 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 other info that might help us debug this: Chain exists of: &q->q_usage_counter(io)#4 --> &mm->mmap_lock --> mapping.invalidate_lock#2 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- rlock(mapping.invalidate_lock#2); lock(&mm->mmap_lock); lock(mapping.invalidate_lock#2); rlock(&q->q_usage_counter(io)#4); *** DEADLOCK *** 1 lock held by syz.1.1759/14749: #0: ffff888148d6abc0 (mapping.invalidate_lock#2){.+.+}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:886 [inline] #0: ffff888148d6abc0 (mapping.invalidate_lock#2){.+.+}-{4:4}, at: page_cache_ra_unbounded+0x173/0x750 mm/readahead.c:226 stack backtrace: CPU: 1 UID: 0 PID: 14749 Comm: syz.1.1759 Not tainted 6.13.0-syzkaller-00603-g3d3a9c8b89d4 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 print_circular_bug+0x41c/0x610 kernel/locking/lockdep.c:2074 check_noncircular+0x31a/0x400 kernel/locking/lockdep.c:2206 check_prev_add kernel/locking/lockdep.c:3161 [inline] check_prevs_add kernel/locking/lockdep.c:3280 [inline] validate_chain kernel/locking/lockdep.c:3904 [inline] __lock_acquire+0x249e/0x3c40 kernel/locking/lockdep.c:5226 lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5849 bio_queue_enter block/blk.h:75 [inline] __submit_bio+0x49c/0x540 block/blk-core.c:630 __submit_bio_noacct block/blk-core.c:678 [inline] submit_bio_noacct_nocheck+0x892/0xd70 block/blk-core.c:741 submit_bio_noacct+0x93a/0x1e20 block/blk-core.c:868 mpage_bio_submit_read fs/mpage.c:75 [inline] mpage_readahead+0x41d/0x590 fs/mpage.c:377 read_pages+0x1a8/0xdc0 mm/readahead.c:160 page_cache_ra_unbounded+0x3dc/0x750 mm/readahead.c:295 do_page_cache_ra mm/readahead.c:325 [inline] page_cache_ra_order+0x8f2/0xc80 mm/readahead.c:524 do_sync_mmap_readahead mm/filemap.c:3194 [inline] filemap_fault+0x14a5/0x2820 mm/filemap.c:3335 __do_fault+0x10a/0x490 mm/memory.c:4907 do_read_fault mm/memory.c:5322 [inline] do_fault mm/memory.c:5456 [inline] do_pte_missing+0xebd/0x3e00 mm/memory.c:3979 handle_pte_fault mm/memory.c:5801 [inline] __handle_mm_fault+0x103c/0x2a40 mm/memory.c:5944 handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6112 do_user_addr_fault+0x60d/0x13f0 arch/x86/mm/fault.c:1338 handle_page_fault arch/x86/mm/fault.c:1481 [inline] exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1539 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0033:0x7f603296b801 Code: 00 0f 1f 84 00 00 00 00 00 48 85 f6 74 37 49 89 f0 89 f8 48 89 fa c5 f9 ef c0 25 ff 0f 00 00 3d e0 0f 00 00 0f 87 5f 02 00 00 <c5> fd 74 0f c5 fd d7 c1 48 83 fe 20 76 11 85 c0 74 6d f3 0f bc c0 RSP: 002b:00007f6033806f58 EFLAGS: 00010283 RAX: 0000000000000000 RBX: 00007f6033807024 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 000000000000000f RDI: 0000000000000000 RBP: 0000000000000005 R08: 000000000000000f R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000 R13: 00007f6033806fc0 R14: 00007f6032b76080 R15: 0000000000000000 </TASK>
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2025/01/21 15:27 | upstream | 3d3a9c8b89d4 | 6e87cfa2 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-qemu-gce-upstream-auto | possible deadlock in submit_bio_noacct_nocheck | ||
2025/01/21 02:14 | upstream | ffd294d346d1 | 6e87cfa2 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-qemu-gce-upstream-auto | possible deadlock in submit_bio_noacct_nocheck | ||
2025/01/21 02:01 | upstream | ffd294d346d1 | 6e87cfa2 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-qemu-gce-upstream-auto | possible deadlock in submit_bio_noacct_nocheck | ||
2025/01/20 19:36 | upstream | ffd294d346d1 | 6e87cfa2 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-qemu-gce-upstream-auto | possible deadlock in submit_bio_noacct_nocheck | ||
2025/01/18 10:48 | upstream | ad26fc09dabf | f2cb035c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-qemu-gce-upstream-auto | possible deadlock in submit_bio_noacct_nocheck | ||
2025/01/18 10:42 | upstream | ad26fc09dabf | f2cb035c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-qemu-gce-upstream-auto | possible deadlock in submit_bio_noacct_nocheck | ||
2025/01/18 10:01 | upstream | ad26fc09dabf | f2cb035c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-qemu-gce-upstream-auto | possible deadlock in submit_bio_noacct_nocheck | ||
2025/01/18 01:56 | upstream | ad26fc09dabf | f2cb035c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-qemu-gce-upstream-auto | possible deadlock in submit_bio_noacct_nocheck | ||
2025/01/17 22:10 | upstream | 9bffa1ad25b8 | bb91bdd4 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-qemu-gce-upstream-auto | possible deadlock in submit_bio_noacct_nocheck | ||
2025/01/17 20:16 | upstream | 9bffa1ad25b8 | bb91bdd4 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-qemu-gce-upstream-auto | possible deadlock in submit_bio_noacct_nocheck | ||
2025/01/17 17:45 | upstream | 9bffa1ad25b8 | bb91bdd4 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-qemu-gce-upstream-auto | possible deadlock in submit_bio_noacct_nocheck | ||
2025/01/17 14:36 | upstream | 9bffa1ad25b8 | bb91bdd4 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-qemu-gce-upstream-auto | possible deadlock in submit_bio_noacct_nocheck | ||
2025/01/14 18:17 | upstream | c45323b7560e | 0dce2409 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-qemu-gce-upstream-auto | possible deadlock in submit_bio_noacct_nocheck | ||
2025/01/14 18:16 | upstream | c45323b7560e | 0dce2409 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-qemu-gce-upstream-auto | possible deadlock in submit_bio_noacct_nocheck | ||
2025/01/14 06:08 | upstream | c45323b7560e | b1f1cd88 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-qemu-gce-upstream-auto | possible deadlock in submit_bio_noacct_nocheck | ||
2025/01/14 02:53 | upstream | c45323b7560e | b1f1cd88 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-qemu-gce-upstream-auto | possible deadlock in submit_bio_noacct_nocheck | ||
2025/01/11 12:50 | upstream | 77a903cd8e5a | 6dbc6a9b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-qemu-gce-upstream-auto | possible deadlock in submit_bio_noacct_nocheck | ||
2025/01/11 11:31 | upstream | 77a903cd8e5a | 6dbc6a9b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-qemu-gce-upstream-auto | possible deadlock in submit_bio_noacct_nocheck | ||
2025/01/09 17:54 | upstream | eea6e4b4dfb8 | 9220929f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-qemu-gce-upstream-auto | possible deadlock in submit_bio_noacct_nocheck | ||
2025/01/07 23:39 | upstream | fbfd64d25c7a | f3558dbf | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-qemu-gce-upstream-auto | possible deadlock in submit_bio_noacct_nocheck | ||
2025/01/06 23:20 | upstream | 5428dc1906dd | f3558dbf | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-qemu-gce-upstream-auto | possible deadlock in submit_bio_noacct_nocheck | ||
2025/01/06 00:11 | upstream | ab75170520d4 | f3558dbf | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-qemu-gce-upstream-auto | possible deadlock in submit_bio_noacct_nocheck | ||
2025/01/04 19:17 | upstream | 63676eefb7a0 | f3558dbf | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-qemu-gce-upstream-auto | possible deadlock in submit_bio_noacct_nocheck | ||
2025/01/04 10:43 | upstream | 63676eefb7a0 | f3558dbf | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-qemu-gce-upstream-auto | possible deadlock in submit_bio_noacct_nocheck | ||
2024/12/29 05:14 | upstream | 059dd502b263 | d3ccff63 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-qemu-gce-upstream-auto | possible deadlock in submit_bio_noacct_nocheck | ||
2024/12/28 03:09 | upstream | 8379578b11d5 | d3ccff63 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-qemu-gce-upstream-auto | possible deadlock in submit_bio_noacct_nocheck | ||
2024/12/26 08:26 | upstream | 9b2ffa6148b1 | 444551c4 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-qemu-gce-upstream-auto | possible deadlock in submit_bio_noacct_nocheck | ||
2024/12/24 11:52 | upstream | f07044dd0df0 | 444551c4 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-qemu-gce-upstream-auto | possible deadlock in submit_bio_noacct_nocheck | ||
2024/12/24 07:08 | upstream | f07044dd0df0 | 444551c4 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-qemu-gce-upstream-auto | possible deadlock in submit_bio_noacct_nocheck | ||
2024/12/24 02:42 | upstream | f07044dd0df0 | 444551c4 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-qemu-gce-upstream-auto | possible deadlock in submit_bio_noacct_nocheck |