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[syzbot] [block?] BUG: sleeping function called from invalid context in unmap_mapping_folio | 0 (2) | 2025/02/05 05:58 |
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[syzbot] [block?] BUG: sleeping function called from invalid context in unmap_mapping_folio | 0 (2) | 2025/02/05 05:58 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2025/02/19 03:51 | 25m | retest repro | linux-next | OK log | |
2025/02/19 03:51 | 27m | retest repro | linux-next | OK log |
BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1523 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 13055, name: syz.6.1872 preempt_count: 0, expected: 0 RCU nest depth: 1, expected: 0 2 locks held by syz.6.1872/13055: #0: ffff888143b4b4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xf0/0xc50 block/bdev.c:903 #1: ffffffff8e938960 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #1: ffffffff8e938960 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffffff8e938960 (rcu_read_lock){....}-{1:3}, at: blk_mq_flush_plug_list+0x282/0x1870 block/blk-mq.c:2904 CPU: 1 UID: 0 PID: 13055 Comm: syz.6.1872 Not tainted 6.14.0-rc1-next-20250204-syzkaller #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+0x241/0x360 lib/dump_stack.c:120 __might_resched+0x5d4/0x780 kernel/sched/core.c:8766 down_read+0x8e/0xa40 kernel/locking/rwsem.c:1523 i_mmap_lock_read include/linux/fs.h:565 [inline] unmap_mapping_folio+0x284/0x3b0 mm/memory.c:3887 folio_unmap_invalidate+0x122/0x510 mm/truncate.c:557 folio_end_reclaim_write mm/filemap.c:1609 [inline] folio_end_writeback+0x430/0x560 mm/filemap.c:1642 end_bio_bh_io_sync+0xbf/0x120 fs/buffer.c:2766 blk_update_request+0x5e5/0x1160 block/blk-mq.c:983 blk_mq_end_request+0x3e/0x70 block/blk-mq.c:1145 nullb_complete_cmd drivers/block/null_blk/main.c:1354 [inline] null_handle_cmd drivers/block/null_blk/main.c:1405 [inline] null_queue_rq+0xbb1/0xd60 drivers/block/null_blk/main.c:1645 null_queue_rqs+0x1e7/0x370 drivers/block/null_blk/main.c:1659 __blk_mq_flush_plug_list block/blk-mq.c:2825 [inline] blk_mq_flush_plug_list+0x56a/0x1870 block/blk-mq.c:2904 blk_add_rq_to_plug+0x1ad/0x4b0 block/blk-mq.c:1384 blk_mq_submit_bio+0xfb9/0x25a0 block/blk-mq.c:3157 __submit_bio+0x2cf/0x6a0 block/blk-core.c:628 __submit_bio_noacct_mq block/blk-core.c:715 [inline] submit_bio_noacct_nocheck+0x4d3/0xe30 block/blk-core.c:744 __block_write_full_folio+0x8b1/0xed0 fs/buffer.c:1904 write_cache_pages+0xd0/0x230 mm/page-writeback.c:2644 blkdev_writepages+0xa9/0x100 block/fops.c:458 do_writepages+0x35f/0x880 mm/page-writeback.c:2687 filemap_fdatawrite_wbc mm/filemap.c:389 [inline] __filemap_fdatawrite_range mm/filemap.c:422 [inline] filemap_write_and_wait_range+0x283/0x3a0 mm/filemap.c:694 bdev_disk_changed+0x1f9/0x13f0 block/partitions/core.c:656 blkdev_get_whole+0x2d2/0x450 block/bdev.c:706 bdev_open+0x2d4/0xc50 block/bdev.c:915 bdev_file_open_by_dev+0x1b0/0x220 block/bdev.c:1017 disk_scan_partitions+0x1be/0x2b0 block/genhd.c:374 blkdev_common_ioctl+0x13cf/0x2460 block/ioctl.c:617 blkdev_ioctl+0x4ca/0x6a0 block/ioctl.c:687 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fcce2f8cda9 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fcce3d45038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fcce31a6160 RCX: 00007fcce2f8cda9 RDX: 0000000000000000 RSI: 000000000000125f RDI: 0000000000000007 RBP: 00007fcce300e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fcce31a6160 R15: 00007ffe6a619a18 </TASK> ============================= [ BUG: Invalid wait context ] 6.14.0-rc1-next-20250204-syzkaller #0 Tainted: G W ----------------------------- syz.6.1872/13055 is trying to lock: ffff888148e92cf0 (&mapping->i_mmap_rwsem){++++}-{4:4}, at: i_mmap_lock_read include/linux/fs.h:565 [inline] ffff888148e92cf0 (&mapping->i_mmap_rwsem){++++}-{4:4}, at: unmap_mapping_folio+0x284/0x3b0 mm/memory.c:3887 other info that might help us debug this: context-{5:5} 2 locks held by syz.6.1872/13055: #0: ffff888143b4b4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xf0/0xc50 block/bdev.c:903 #1: ffffffff8e938960 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #1: ffffffff8e938960 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffffff8e938960 (rcu_read_lock){....}-{1:3}, at: blk_mq_flush_plug_list+0x282/0x1870 block/blk-mq.c:2904 stack backtrace: CPU: 0 UID: 0 PID: 13055 Comm: syz.6.1872 Tainted: G W 6.14.0-rc1-next-20250204-syzkaller #0 Tainted: [W]=WARN 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+0x241/0x360 lib/dump_stack.c:120 print_lock_invalid_wait_context kernel/locking/lockdep.c:4828 [inline] check_wait_context kernel/locking/lockdep.c:4900 [inline] __lock_acquire+0x15a8/0x2100 kernel/locking/lockdep.c:5178 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 down_read+0xb1/0xa40 kernel/locking/rwsem.c:1524 i_mmap_lock_read include/linux/fs.h:565 [inline] unmap_mapping_folio+0x284/0x3b0 mm/memory.c:3887 folio_unmap_invalidate+0x122/0x510 mm/truncate.c:557 folio_end_reclaim_write mm/filemap.c:1609 [inline] folio_end_writeback+0x430/0x560 mm/filemap.c:1642 end_bio_bh_io_sync+0xbf/0x120 fs/buffer.c:2766 blk_update_request+0x5e5/0x1160 block/blk-mq.c:983 blk_mq_end_request+0x3e/0x70 block/blk-mq.c:1145 nullb_complete_cmd drivers/block/null_blk/main.c:1354 [inline] null_handle_cmd drivers/block/null_blk/main.c:1405 [inline] null_queue_rq+0xbb1/0xd60 drivers/block/null_blk/main.c:1645 null_queue_rqs+0x1e7/0x370 drivers/block/null_blk/main.c:1659 __blk_mq_flush_plug_list block/blk-mq.c:2825 [inline] blk_mq_flush_plug_list+0x56a/0x1870 block/blk-mq.c:2904 blk_add_rq_to_plug+0x1ad/0x4b0 block/blk-mq.c:1384 blk_mq_submit_bio+0xfb9/0x25a0 block/blk-mq.c:3157 __submit_bio+0x2cf/0x6a0 block/blk-core.c:628 __submit_bio_noacct_mq block/blk-core.c:715 [inline] submit_bio_noacct_nocheck+0x4d3/0xe30 block/blk-core.c:744 __block_write_full_folio+0x8b1/0xed0 fs/buffer.c:1904 write_cache_pages+0xd0/0x230 mm/page-writeback.c:2644 blkdev_writepages+0xa9/0x100 block/fops.c:458 do_writepages+0x35f/0x880 mm/page-writeback.c:2687 filemap_fdatawrite_wbc mm/filemap.c:389 [inline] __filemap_fdatawrite_range mm/filemap.c:422 [inline] filemap_write_and_wait_range+0x283/0x3a0 mm/filemap.c:694 bdev_disk_changed+0x1f9/0x13f0 block/partitions/core.c:656 blkdev_get_whole+0x2d2/0x450 block/bdev.c:706 bdev_open+0x2d4/0xc50 block/bdev.c:915 bdev_file_open_by_dev+0x1b0/0x220 block/bdev.c:1017 disk_scan_partitions+0x1be/0x2b0 block/genhd.c:374 blkdev_common_ioctl+0x13cf/0x2460 block/ioctl.c:617 blkdev_ioctl+0x4ca/0x6a0 block/ioctl.c:687 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fcce2f8cda9 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fcce3d45038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fcce31a6160 RCX: 00007fcce2f8cda9 RDX: 0000000000000000 RSI: 000000000000125f RDI: 0000000000000007 RBP: 00007fcce300e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fcce31a6160 R15: 00007ffe6a619a18 </TASK> BUG: sleeping function called from invalid context at ./include/linux/mmu_notifier.h:434 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 13055, name: syz.6.1872 preempt_count: 0, expected: 0 RCU nest depth: 1, expected: 0 INFO: lockdep is turned off. CPU: 0 UID: 0 PID: 13055 Comm: syz.6.1872 Tainted: G W 6.14.0-rc1-next-20250204-syzkaller #0 Tainted: [W]=WARN 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+0x241/0x360 lib/dump_stack.c:120 __might_resched+0x5d4/0x780 kernel/sched/core.c:8766 mmu_notifier_invalidate_range_start include/linux/mmu_notifier.h:434 [inline] zap_page_range_single+0x386/0x630 mm/memory.c:2015 unmap_mapping_range_vma mm/memory.c:3836 [inline] unmap_mapping_range_tree+0xd7/0x120 mm/memory.c:3853 unmap_mapping_folio+0x30e/0x3b0 mm/memory.c:3889 folio_unmap_invalidate+0x122/0x510 mm/truncate.c:557 folio_end_reclaim_write mm/filemap.c:1609 [inline] folio_end_writeback+0x430/0x560 mm/filemap.c:1642 end_bio_bh_io_sync+0xbf/0x120 fs/buffer.c:2766 blk_update_request+0x5e5/0x1160 block/blk-mq.c:983 blk_mq_end_request+0x3e/0x70 block/blk-mq.c:1145 nullb_complete_cmd drivers/block/null_blk/main.c:1354 [inline] null_handle_cmd drivers/block/null_blk/main.c:1405 [inline] null_queue_rq+0xbb1/0xd60 drivers/block/null_blk/main.c:1645 null_queue_rqs+0x1e7/0x370 drivers/block/null_blk/main.c:1659 __blk_mq_flush_plug_list block/blk-mq.c:2825 [inline] blk_mq_flush_plug_list+0x56a/0x1870 block/blk-mq.c:2904 blk_add_rq_to_plug+0x1ad/0x4b0 block/blk-mq.c:1384 blk_mq_submit_bio+0xfb9/0x25a0 block/blk-mq.c:3157 __submit_bio+0x2cf/0x6a0 block/blk-core.c:628 __submit_bio_noacct_mq block/blk-core.c:715 [inline] submit_bio_noacct_nocheck+0x4d3/0xe30 block/blk-core.c:744 __block_write_full_folio+0x8b1/0xed0 fs/buffer.c:1904 write_cache_pages+0xd0/0x230 mm/page-writeback.c:2644 blkdev_writepages+0xa9/0x100 block/fops.c:458 do_writepages+0x35f/0x880 mm/page-writeback.c:2687 filemap_fdatawrite_wbc mm/filemap.c:389 [inline] __filemap_fdatawrite_range mm/filemap.c:422 [inline] filemap_write_and_wait_range+0x283/0x3a0 mm/filemap.c:694 bdev_disk_changed+0x1f9/0x13f0 block/partitions/core.c:656 blkdev_get_whole+0x2d2/0x450 block/bdev.c:706 bdev_open+0x2d4/0xc50 block/bdev.c:915 bdev_file_open_by_dev+0x1b0/0x220 block/bdev.c:1017 disk_scan_partitions+0x1be/0x2b0 block/genhd.c:374 blkdev_common_ioctl+0x13cf/0x2460 block/ioctl.c:617 blkdev_ioctl+0x4ca/0x6a0 block/ioctl.c:687 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fcce2f8cda9 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fcce3d45038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fcce31a6160 RCX: 00007fcce2f8cda9 RDX: 0000000000000000 RSI: 000000000000125f RDI: 0000000000000007 RBP: 00007fcce300e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fcce31a6160 R15: 00007ffe6a619a18 </TASK>
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2025/02/04 23:48 | linux-next | 40b8e93e17bf | 4baca3d6 | .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 unmap_mapping_folio | ||
2025/02/04 21:30 | linux-next | 40b8e93e17bf | 4baca3d6 | .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 unmap_mapping_folio | ||
2025/02/04 21:30 | linux-next | 40b8e93e17bf | 4baca3d6 | .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 unmap_mapping_folio | ||
2025/02/04 21:29 | linux-next | 40b8e93e17bf | 4baca3d6 | .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 unmap_mapping_folio | ||
2025/02/04 15:01 | linux-next | 40b8e93e17bf | 8f267cef | .config | strace log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | BUG: sleeping function called from invalid context in unmap_mapping_folio | |
2025/02/04 13:55 | linux-next | 40b8e93e17bf | 8f267cef | .config | console log | report | syz / log | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | BUG: sleeping function called from invalid context in unmap_mapping_folio | ||
2025/02/04 12:46 | linux-next | 40b8e93e17bf | 8f267cef | .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 unmap_mapping_folio | ||
2025/02/04 12:32 | linux-next | 40b8e93e17bf | 8f267cef | .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 unmap_mapping_folio | ||
2025/02/04 12:32 | linux-next | 40b8e93e17bf | 8f267cef | .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 unmap_mapping_folio | ||
2025/02/04 10:23 | linux-next | 40b8e93e17bf | 8f267cef | .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 unmap_mapping_folio | ||
2025/02/04 09:06 | linux-next | 40b8e93e17bf | 8f267cef | .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 unmap_mapping_folio | ||
2025/02/04 09:06 | linux-next | 40b8e93e17bf | 8f267cef | .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 unmap_mapping_folio | ||
2025/02/04 08:55 | linux-next | 40b8e93e17bf | 8f267cef | .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 unmap_mapping_folio | ||
2025/02/04 08:54 | linux-next | 40b8e93e17bf | 8f267cef | .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 unmap_mapping_folio | ||
2025/02/04 08:22 | linux-next | 40b8e93e17bf | 8f267cef | .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 unmap_mapping_folio | ||
2025/02/04 07:57 | linux-next | 40b8e93e17bf | 8f267cef | .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 unmap_mapping_folio | ||
2025/02/04 07:57 | linux-next | 40b8e93e17bf | 8f267cef | .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 unmap_mapping_folio | ||
2025/02/04 07:27 | linux-next | 40b8e93e17bf | 8f267cef | .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 unmap_mapping_folio | ||
2025/02/04 07:27 | linux-next | 40b8e93e17bf | 8f267cef | .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 unmap_mapping_folio |