F2FS-fs (loop2): access invalid blkaddr:4294901760 CPU: 1 PID: 3648 Comm: syz-executor.2 Not tainted 6.0.0-rc1-next-20220819-syzkaller #0 BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1521 in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 3648, name: syz-executor.2 preempt_count: 0, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz-executor.2/3648: #0: ffff888034c9c0e0 (&type->s_umount_key#48){++++}-{3:3}, at: deactivate_super+0xa5/0xd0 fs/super.c:362 #1: ffff888079d84318 (&sbi->cp_global_sem){+.+.}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2192 [inline] #1: ffff888079d84318 (&sbi->cp_global_sem){+.+.}-{3:3}, at: f2fs_write_checkpoint+0x4ae/0x4c80 fs/f2fs/checkpoint.c:1620 irq event stamp: 278954 hardirqs last enabled at (278953): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1352 [inline] hardirqs last enabled at (278953): [] finish_lock_switch kernel/sched/core.c:4956 [inline] hardirqs last enabled at (278953): [] finish_task_switch.isra.0+0x2b5/0xc70 kernel/sched/core.c:5074 hardirqs last disabled at (278954): [] dump_stack_lvl+0x2e/0x134 lib/dump_stack.c:139 softirqs last enabled at (278946): [] invoke_softirq kernel/softirq.c:445 [inline] softirqs last enabled at (278946): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 softirqs last disabled at (278831): [] invoke_softirq kernel/softirq.c:445 [inline] softirqs last disabled at (278831): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 CPU: 1 PID: 3648 Comm: syz-executor.2 Not tainted 6.0.0-rc1-next-20220819-syzkaller #0 syz-executor.2[3648] cmdline: /root/syz-executor.2 exec Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:122 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:140 __might_resched.cold+0x222/0x26b kernel/sched/core.c:9896 down_read_killable+0x75/0x490 kernel/locking/rwsem.c:1521 mmap_read_lock_killable include/linux/mmap_lock.h:126 [inline] __access_remote_vm+0xac/0x6f0 mm/memory.c:5461 get_mm_cmdline.part.0+0x217/0x620 fs/proc/base.c:299 get_mm_cmdline fs/proc/base.c:367 [inline] get_task_cmdline_kernel+0x1d9/0x220 fs/proc/base.c:367 dump_stack_print_cmdline.part.0+0x82/0x150 lib/dump_stack.c:61 dump_stack_print_cmdline lib/dump_stack.c:89 [inline] dump_stack_print_info+0x185/0x190 lib/dump_stack.c:97 __dump_stack lib/dump_stack.c:121 [inline] dump_stack_lvl+0xc1/0x134 lib/dump_stack.c:140 __is_bitmap_valid fs/f2fs/checkpoint.c:155 [inline] f2fs_is_valid_blkaddr.cold+0x37/0x168 fs/f2fs/checkpoint.c:196 f2fs_do_write_data_page+0x64e/0x1d80 fs/f2fs/data.c:2646 f2fs_write_single_data_page+0x14cb/0x18d0 fs/f2fs/data.c:2801 f2fs_write_cache_pages+0xa7c/0x1f00 fs/f2fs/data.c:3076 __f2fs_write_data_pages fs/f2fs/data.c:3226 [inline] f2fs_write_data_pages+0x4cd/0x1260 fs/f2fs/data.c:3253 do_writepages+0x1ab/0x690 mm/page-writeback.c:2468 filemap_fdatawrite_wbc mm/filemap.c:388 [inline] filemap_fdatawrite_wbc+0x143/0x1b0 mm/filemap.c:378 __filemap_fdatawrite_range+0xb4/0xf0 mm/filemap.c:421 f2fs_sync_dirty_inodes+0x269/0xda0 fs/f2fs/checkpoint.c:1093 block_operations+0x282/0xc40 fs/f2fs/checkpoint.c:1224 f2fs_write_checkpoint+0x602/0x4c80 fs/f2fs/checkpoint.c:1633 kill_f2fs_super+0x328/0x3c0 fs/f2fs/super.c:4538 deactivate_locked_super+0x94/0x160 fs/super.c:332 deactivate_super+0xad/0xd0 fs/super.c:363 cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1186 task_work_run+0xdd/0x1a0 kernel/task_work.c:177 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fab5108a6e7 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc31705fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fab5108a6e7 RDX: 00007ffc31706079 RSI: 000000000000000a RDI: 00007ffc31706070 RBP: 00007ffc31706070 R08: 00000000ffffffff R09: 00007ffc31705e40 R10: 0000555555d968db R11: 0000000000000246 R12: 00007fab510e22ce R13: 00007ffc31707130 R14: 0000555555d96810 R15: 00007ffc31707170 syz-executor.2[3648] cmdline: /root/syz-executor.2 exec Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:122 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:140 __is_bitmap_valid fs/f2fs/checkpoint.c:155 [inline] f2fs_is_valid_blkaddr.cold+0x37/0x168 fs/f2fs/checkpoint.c:196 f2fs_do_write_data_page+0x64e/0x1d80 fs/f2fs/data.c:2646 f2fs_write_single_data_page+0x14cb/0x18d0 fs/f2fs/data.c:2801 f2fs_write_cache_pages+0xa7c/0x1f00 fs/f2fs/data.c:3076 __f2fs_write_data_pages fs/f2fs/data.c:3226 [inline] f2fs_write_data_pages+0x4cd/0x1260 fs/f2fs/data.c:3253 do_writepages+0x1ab/0x690 mm/page-writeback.c:2468 filemap_fdatawrite_wbc mm/filemap.c:388 [inline] filemap_fdatawrite_wbc+0x143/0x1b0 mm/filemap.c:378 __filemap_fdatawrite_range+0xb4/0xf0 mm/filemap.c:421 f2fs_sync_dirty_inodes+0x269/0xda0 fs/f2fs/checkpoint.c:1093 block_operations+0x282/0xc40 fs/f2fs/checkpoint.c:1224 f2fs_write_checkpoint+0x602/0x4c80 fs/f2fs/checkpoint.c:1633 kill_f2fs_super+0x328/0x3c0 fs/f2fs/super.c:4538 deactivate_locked_super+0x94/0x160 fs/super.c:332 deactivate_super+0xad/0xd0 fs/super.c:363 cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1186 task_work_run+0xdd/0x1a0 kernel/task_work.c:177 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fab5108a6e7 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc31705fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fab5108a6e7 RDX: 00007ffc31706079 RSI: 000000000000000a RDI: 00007ffc31706070 RBP: 00007ffc31706070 R08: 00000000ffffffff R09: 00007ffc31705e40 R10: 0000555555d968db R11: 0000000000000246 R12: 00007fab510e22ce R13: 00007ffc31707130 R14: 0000555555d96810 R15: 00007ffc31707170 F2FS-fs (loop2): access invalid blkaddr:4294901760 CPU: 1 PID: 3648 Comm: syz-executor.2 Tainted: G W 6.0.0-rc1-next-20220819-syzkaller #0 BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1521 in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 3648, name: syz-executor.2 preempt_count: 0, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz-executor.2/3648: #0: ffff888034c9c0e0 (&type->s_umount_key#48){++++}-{3:3}, at: deactivate_super+0xa5/0xd0 fs/super.c:362 #1: ffff888079d84318 (&sbi->cp_global_sem){+.+.}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2192 [inline] #1: ffff888079d84318 (&sbi->cp_global_sem){+.+.}-{3:3}, at: f2fs_write_checkpoint+0x4ae/0x4c80 fs/f2fs/checkpoint.c:1620 irq event stamp: 281022 hardirqs last enabled at (281021): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1352 [inline] hardirqs last enabled at (281021): [] finish_lock_switch kernel/sched/core.c:4956 [inline] hardirqs last enabled at (281021): [] finish_task_switch.isra.0+0x2b5/0xc70 kernel/sched/core.c:5074 hardirqs last disabled at (281022): [] dump_stack_lvl+0x2e/0x134 lib/dump_stack.c:139 softirqs last enabled at (281014): [] invoke_softirq kernel/softirq.c:445 [inline] softirqs last enabled at (281014): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 softirqs last disabled at (280525): [] invoke_softirq kernel/softirq.c:445 [inline] softirqs last disabled at (280525): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 CPU: 1 PID: 3648 Comm: syz-executor.2 Tainted: G W 6.0.0-rc1-next-20220819-syzkaller #0 syz-executor.2[3648] cmdline: /root/syz-executor.2 exec Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:122 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:140 __might_resched.cold+0x222/0x26b kernel/sched/core.c:9896 down_read_killable+0x75/0x490 kernel/locking/rwsem.c:1521 mmap_read_lock_killable include/linux/mmap_lock.h:126 [inline] __access_remote_vm+0xac/0x6f0 mm/memory.c:5461 get_mm_cmdline.part.0+0x217/0x620 fs/proc/base.c:299 get_mm_cmdline fs/proc/base.c:367 [inline] get_task_cmdline_kernel+0x1d9/0x220 fs/proc/base.c:367 dump_stack_print_cmdline.part.0+0x82/0x150 lib/dump_stack.c:61 dump_stack_print_cmdline lib/dump_stack.c:89 [inline] dump_stack_print_info+0x185/0x190 lib/dump_stack.c:97 __dump_stack lib/dump_stack.c:121 [inline] dump_stack_lvl+0xc1/0x134 lib/dump_stack.c:140 __is_bitmap_valid fs/f2fs/checkpoint.c:155 [inline] f2fs_is_valid_blkaddr.cold+0x37/0x168 fs/f2fs/checkpoint.c:196 f2fs_do_write_data_page+0x64e/0x1d80 fs/f2fs/data.c:2646 f2fs_write_single_data_page+0x14cb/0x18d0 fs/f2fs/data.c:2801 f2fs_write_cache_pages+0xa7c/0x1f00 fs/f2fs/data.c:3076 __f2fs_write_data_pages fs/f2fs/data.c:3226 [inline] f2fs_write_data_pages+0x4cd/0x1260 fs/f2fs/data.c:3253 do_writepages+0x1ab/0x690 mm/page-writeback.c:2468 filemap_fdatawrite_wbc mm/filemap.c:388 [inline] filemap_fdatawrite_wbc+0x143/0x1b0 mm/filemap.c:378 __filemap_fdatawrite_range+0xb4/0xf0 mm/filemap.c:421 f2fs_sync_dirty_inodes+0x269/0xda0 fs/f2fs/checkpoint.c:1093 block_operations+0x282/0xc40 fs/f2fs/checkpoint.c:1224 f2fs_write_checkpoint+0x602/0x4c80 fs/f2fs/checkpoint.c:1633 kill_f2fs_super+0x328/0x3c0 fs/f2fs/super.c:4538 deactivate_locked_super+0x94/0x160 fs/super.c:332 deactivate_super+0xad/0xd0 fs/super.c:363 cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1186 task_work_run+0xdd/0x1a0 kernel/task_work.c:177 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fab5108a6e7 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc31705fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fab5108a6e7 RDX: 00007ffc31706079 RSI: 000000000000000a RDI: 00007ffc31706070 RBP: 00007ffc31706070 R08: 00000000ffffffff R09: 00007ffc31705e40 R10: 0000555555d968db R11: 0000000000000246 R12: 00007fab510e22ce R13: 00007ffc31707130 R14: 0000555555d96810 R15: 00007ffc31707170 syz-executor.2[3648] cmdline: /root/syz-executor.2 exec Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:122 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:140 __is_bitmap_valid fs/f2fs/checkpoint.c:155 [inline] f2fs_is_valid_blkaddr.cold+0x37/0x168 fs/f2fs/checkpoint.c:196 f2fs_do_write_data_page+0x64e/0x1d80 fs/f2fs/data.c:2646 f2fs_write_single_data_page+0x14cb/0x18d0 fs/f2fs/data.c:2801 f2fs_write_cache_pages+0xa7c/0x1f00 fs/f2fs/data.c:3076 __f2fs_write_data_pages fs/f2fs/data.c:3226 [inline] f2fs_write_data_pages+0x4cd/0x1260 fs/f2fs/data.c:3253 do_writepages+0x1ab/0x690 mm/page-writeback.c:2468 filemap_fdatawrite_wbc mm/filemap.c:388 [inline] filemap_fdatawrite_wbc+0x143/0x1b0 mm/filemap.c:378 __filemap_fdatawrite_range+0xb4/0xf0 mm/filemap.c:421 f2fs_sync_dirty_inodes+0x269/0xda0 fs/f2fs/checkpoint.c:1093 block_operations+0x282/0xc40 fs/f2fs/checkpoint.c:1224 f2fs_write_checkpoint+0x602/0x4c80 fs/f2fs/checkpoint.c:1633 kill_f2fs_super+0x328/0x3c0 fs/f2fs/super.c:4538 deactivate_locked_super+0x94/0x160 fs/super.c:332 deactivate_super+0xad/0xd0 fs/super.c:363 cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1186 task_work_run+0xdd/0x1a0 kernel/task_work.c:177 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fab5108a6e7 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc31705fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fab5108a6e7 RDX: 00007ffc31706079 RSI: 000000000000000a RDI: 00007ffc31706070 RBP: 00007ffc31706070 R08: 00000000ffffffff R09: 00007ffc31705e40 R10: 0000555555d968db R11: 0000000000000246 R12: 00007fab510e22ce R13: 00007ffc31707130 R14: 0000555555d96810 R15: 00007ffc31707170 F2FS-fs (loop2): access invalid blkaddr:4294901760 CPU: 0 PID: 3648 Comm: syz-executor.2 Tainted: G W 6.0.0-rc1-next-20220819-syzkaller #0 BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1521 in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 3648, name: syz-executor.2 preempt_count: 0, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz-executor.2/3648: #0: ffff888034c9c0e0 (&type->s_umount_key#48){++++}-{3:3}, at: deactivate_super+0xa5/0xd0 fs/super.c:362 #1: ffff888079d84318 (&sbi->cp_global_sem){+.+.}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2192 [inline] #1: ffff888079d84318 (&sbi->cp_global_sem){+.+.}-{3:3}, at: f2fs_write_checkpoint+0x4ae/0x4c80 fs/f2fs/checkpoint.c:1620 irq event stamp: 282004 hardirqs last enabled at (282003): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1352 [inline] hardirqs last enabled at (282003): [] finish_lock_switch kernel/sched/core.c:4956 [inline] hardirqs last enabled at (282003): [] finish_task_switch.isra.0+0x2b5/0xc70 kernel/sched/core.c:5074 hardirqs last disabled at (282004): [] dump_stack_lvl+0x2e/0x134 lib/dump_stack.c:139 softirqs last enabled at (281976): [] invoke_softirq kernel/softirq.c:445 [inline] softirqs last enabled at (281976): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 softirqs last disabled at (281029): [] invoke_softirq kernel/softirq.c:445 [inline] softirqs last disabled at (281029): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 CPU: 0 PID: 3648 Comm: syz-executor.2 Tainted: G W 6.0.0-rc1-next-20220819-syzkaller #0 syz-executor.2[3648] cmdline: /root/syz-executor.2 exec Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:122 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:140 __might_resched.cold+0x222/0x26b kernel/sched/core.c:9896 down_read_killable+0x75/0x490 kernel/locking/rwsem.c:1521 mmap_read_lock_killable include/linux/mmap_lock.h:126 [inline] __access_remote_vm+0xac/0x6f0 mm/memory.c:5461 get_mm_cmdline.part.0+0x217/0x620 fs/proc/base.c:299 get_mm_cmdline fs/proc/base.c:367 [inline] get_task_cmdline_kernel+0x1d9/0x220 fs/proc/base.c:367 dump_stack_print_cmdline.part.0+0x82/0x150 lib/dump_stack.c:61 dump_stack_print_cmdline lib/dump_stack.c:89 [inline] dump_stack_print_info+0x185/0x190 lib/dump_stack.c:97 __dump_stack lib/dump_stack.c:121 [inline] dump_stack_lvl+0xc1/0x134 lib/dump_stack.c:140 __is_bitmap_valid fs/f2fs/checkpoint.c:155 [inline] f2fs_is_valid_blkaddr.cold+0x37/0x168 fs/f2fs/checkpoint.c:196 f2fs_do_write_data_page+0x64e/0x1d80 fs/f2fs/data.c:2646 f2fs_write_single_data_page+0x14cb/0x18d0 fs/f2fs/data.c:2801 f2fs_write_cache_pages+0xa7c/0x1f00 fs/f2fs/data.c:3076 __f2fs_write_data_pages fs/f2fs/data.c:3226 [inline] f2fs_write_data_pages+0x4cd/0x1260 fs/f2fs/data.c:3253 do_writepages+0x1ab/0x690 mm/page-writeback.c:2468 filemap_fdatawrite_wbc mm/filemap.c:388 [inline] filemap_fdatawrite_wbc+0x143/0x1b0 mm/filemap.c:378 __filemap_fdatawrite_range+0xb4/0xf0 mm/filemap.c:421 f2fs_sync_dirty_inodes+0x269/0xda0 fs/f2fs/checkpoint.c:1093 block_operations+0x282/0xc40 fs/f2fs/checkpoint.c:1224 f2fs_write_checkpoint+0x602/0x4c80 fs/f2fs/checkpoint.c:1633 kill_f2fs_super+0x328/0x3c0 fs/f2fs/super.c:4538 deactivate_locked_super+0x94/0x160 fs/super.c:332 deactivate_super+0xad/0xd0 fs/super.c:363 cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1186 task_work_run+0xdd/0x1a0 kernel/task_work.c:177 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fab5108a6e7 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc31705fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fab5108a6e7 RDX: 00007ffc31706079 RSI: 000000000000000a RDI: 00007ffc31706070 RBP: 00007ffc31706070 R08: 00000000ffffffff R09: 00007ffc31705e40 R10: 0000555555d968db R11: 0000000000000246 R12: 00007fab510e22ce R13: 00007ffc31707130 R14: 0000555555d96810 R15: 00007ffc31707170 syz-executor.2[3648] cmdline: /root/syz-executor.2 exec Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:122 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:140 __is_bitmap_valid fs/f2fs/checkpoint.c:155 [inline] f2fs_is_valid_blkaddr.cold+0x37/0x168 fs/f2fs/checkpoint.c:196 f2fs_do_write_data_page+0x64e/0x1d80 fs/f2fs/data.c:2646 f2fs_write_single_data_page+0x14cb/0x18d0 fs/f2fs/data.c:2801 f2fs_write_cache_pages+0xa7c/0x1f00 fs/f2fs/data.c:3076 __f2fs_write_data_pages fs/f2fs/data.c:3226 [inline] f2fs_write_data_pages+0x4cd/0x1260 fs/f2fs/data.c:3253 do_writepages+0x1ab/0x690 mm/page-writeback.c:2468 filemap_fdatawrite_wbc mm/filemap.c:388 [inline] filemap_fdatawrite_wbc+0x143/0x1b0 mm/filemap.c:378 __filemap_fdatawrite_range+0xb4/0xf0 mm/filemap.c:421 f2fs_sync_dirty_inodes+0x269/0xda0 fs/f2fs/checkpoint.c:1093 block_operations+0x282/0xc40 fs/f2fs/checkpoint.c:1224 f2fs_write_checkpoint+0x602/0x4c80 fs/f2fs/checkpoint.c:1633 kill_f2fs_super+0x328/0x3c0 fs/f2fs/super.c:4538 deactivate_locked_super+0x94/0x160 fs/super.c:332 deactivate_super+0xad/0xd0 fs/super.c:363 cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1186 task_work_run+0xdd/0x1a0 kernel/task_work.c:177 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fab5108a6e7 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc31705fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fab5108a6e7 RDX: 00007ffc31706079 RSI: 000000000000000a RDI: 00007ffc31706070 RBP: 00007ffc31706070 R08: 00000000ffffffff R09: 00007ffc31705e40 R10: 0000555555d968db R11: 0000000000000246 R12: 00007fab510e22ce R13: 00007ffc31707130 R14: 0000555555d96810 R15: 00007ffc31707170 F2FS-fs (loop2): access invalid blkaddr:4294901760 CPU: 1 PID: 3648 Comm: syz-executor.2 Tainted: G W 6.0.0-rc1-next-20220819-syzkaller #0 BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1521 in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 3648, name: syz-executor.2 preempt_count: 0, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz-executor.2/3648: #0: ffff888034c9c0e0 (&type->s_umount_key#48){++++}-{3:3}, at: deactivate_super+0xa5/0xd0 fs/super.c:362 #1: ffff888079d84318 (&sbi->cp_global_sem){+.+.}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2192 [inline] #1: ffff888079d84318 (&sbi->cp_global_sem){+.+.}-{3:3}, at: f2fs_write_checkpoint+0x4ae/0x4c80 fs/f2fs/checkpoint.c:1620 irq event stamp: 283906 hardirqs last enabled at (283905): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1352 [inline] hardirqs last enabled at (283905): [] finish_lock_switch kernel/sched/core.c:4956 [inline] hardirqs last enabled at (283905): [] finish_task_switch.isra.0+0x2b5/0xc70 kernel/sched/core.c:5074 hardirqs last disabled at (283906): [] dump_stack_lvl+0x2e/0x134 lib/dump_stack.c:139 softirqs last enabled at (283876): [] invoke_softirq kernel/softirq.c:445 [inline] softirqs last enabled at (283876): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 softirqs last disabled at (282011): [] invoke_softirq kernel/softirq.c:445 [inline] softirqs last disabled at (282011): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 CPU: 1 PID: 3648 Comm: syz-executor.2 Tainted: G W 6.0.0-rc1-next-20220819-syzkaller #0 syz-executor.2[3648] cmdline: /root/syz-executor.2 exec Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:122 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:140 __might_resched.cold+0x222/0x26b kernel/sched/core.c:9896 down_read_killable+0x75/0x490 kernel/locking/rwsem.c:1521 mmap_read_lock_killable include/linux/mmap_lock.h:126 [inline] __access_remote_vm+0xac/0x6f0 mm/memory.c:5461 get_mm_cmdline.part.0+0x217/0x620 fs/proc/base.c:299 get_mm_cmdline fs/proc/base.c:367 [inline] get_task_cmdline_kernel+0x1d9/0x220 fs/proc/base.c:367 dump_stack_print_cmdline.part.0+0x82/0x150 lib/dump_stack.c:61 dump_stack_print_cmdline lib/dump_stack.c:89 [inline] dump_stack_print_info+0x185/0x190 lib/dump_stack.c:97 __dump_stack lib/dump_stack.c:121 [inline] dump_stack_lvl+0xc1/0x134 lib/dump_stack.c:140 __is_bitmap_valid fs/f2fs/checkpoint.c:155 [inline] f2fs_is_valid_blkaddr.cold+0x37/0x168 fs/f2fs/checkpoint.c:196 f2fs_do_write_data_page+0x64e/0x1d80 fs/f2fs/data.c:2646 f2fs_write_single_data_page+0x14cb/0x18d0 fs/f2fs/data.c:2801 f2fs_write_cache_pages+0xa7c/0x1f00 fs/f2fs/data.c:3076 __f2fs_write_data_pages fs/f2fs/data.c:3226 [inline] f2fs_write_data_pages+0x4cd/0x1260 fs/f2fs/data.c:3253 do_writepages+0x1ab/0x690 mm/page-writeback.c:2468 filemap_fdatawrite_wbc mm/filemap.c:388 [inline] filemap_fdatawrite_wbc+0x143/0x1b0 mm/filemap.c:378 __filemap_fdatawrite_range+0xb4/0xf0 mm/filemap.c:421 f2fs_sync_dirty_inodes+0x269/0xda0 fs/f2fs/checkpoint.c:1093 block_operations+0x282/0xc40 fs/f2fs/checkpoint.c:1224 f2fs_write_checkpoint+0x602/0x4c80 fs/f2fs/checkpoint.c:1633 kill_f2fs_super+0x328/0x3c0 fs/f2fs/super.c:4538 deactivate_locked_super+0x94/0x160 fs/super.c:332 deactivate_super+0xad/0xd0 fs/super.c:363 cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1186 task_work_run+0xdd/0x1a0 kernel/task_work.c:177 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fab5108a6e7 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc31705fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fab5108a6e7 RDX: 00007ffc31706079 RSI: 000000000000000a RDI: 00007ffc31706070 RBP: 00007ffc31706070 R08: 00000000ffffffff R09: 00007ffc31705e40 R10: 0000555555d968db R11: 0000000000000246 R12: 00007fab510e22ce R13: 00007ffc31707130 R14: 0000555555d96810 R15: 00007ffc31707170 syz-executor.2[3648] cmdline: /root/syz-executor.2 exec Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:122 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:140 __is_bitmap_valid fs/f2fs/checkpoint.c:155 [inline] f2fs_is_valid_blkaddr.cold+0x37/0x168 fs/f2fs/checkpoint.c:196 f2fs_do_write_data_page+0x64e/0x1d80 fs/f2fs/data.c:2646 f2fs_write_single_data_page+0x14cb/0x18d0 fs/f2fs/data.c:2801 f2fs_write_cache_pages+0xa7c/0x1f00 fs/f2fs/data.c:3076 __f2fs_write_data_pages fs/f2fs/data.c:3226 [inline] f2fs_write_data_pages+0x4cd/0x1260 fs/f2fs/data.c:3253 do_writepages+0x1ab/0x690 mm/page-writeback.c:2468 filemap_fdatawrite_wbc mm/filemap.c:388 [inline] filemap_fdatawrite_wbc+0x143/0x1b0 mm/filemap.c:378 __filemap_fdatawrite_range+0xb4/0xf0 mm/filemap.c:421 f2fs_sync_dirty_inodes+0x269/0xda0 fs/f2fs/checkpoint.c:1093 block_operations+0x282/0xc40 fs/f2fs/checkpoint.c:1224 f2fs_write_checkpoint+0x602/0x4c80 fs/f2fs/checkpoint.c:1633 kill_f2fs_super+0x328/0x3c0 fs/f2fs/super.c:4538 deactivate_locked_super+0x94/0x160 fs/super.c:332 deactivate_super+0xad/0xd0 fs/super.c:363 cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1186 task_work_run+0xdd/0x1a0 kernel/task_work.c:177 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fab5108a6e7 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc31705fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fab5108a6e7 RDX: 00007ffc31706079 RSI: 000000000000000a RDI: 00007ffc31706070 RBP: 00007ffc31706070 R08: 00000000ffffffff R09: 00007ffc31705e40 R10: 0000555555d968db R11: 0000000000000246 R12: 00007fab510e22ce R13: 00007ffc31707130 R14: 0000555555d96810 R15: 00007ffc31707170 F2FS-fs (loop2): access invalid blkaddr:4294901760 CPU: 0 PID: 3648 Comm: syz-executor.2 Tainted: G W 6.0.0-rc1-next-20220819-syzkaller #0 BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1521 in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 3648, name: syz-executor.2 preempt_count: 0, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz-executor.2/3648: #0: ffff888034c9c0e0 (&type->s_umount_key#48){++++}-{3:3}, at: deactivate_super+0xa5/0xd0 fs/super.c:362 #1: ffff888079d84318 (&sbi->cp_global_sem){+.+.}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2192 [inline] #1: ffff888079d84318 (&sbi->cp_global_sem){+.+.}-{3:3}, at: f2fs_write_checkpoint+0x4ae/0x4c80 fs/f2fs/checkpoint.c:1620 irq event stamp: 284722 hardirqs last enabled at (284721): [] __up_console_sem+0xae/0xc0 kernel/printk/printk.c:264 hardirqs last disabled at (284722): [] dump_stack_lvl+0x2e/0x134 lib/dump_stack.c:139 softirqs last enabled at (284680): [] invoke_softirq kernel/softirq.c:445 [inline] softirqs last enabled at (284680): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 softirqs last disabled at (283913): [] invoke_softirq kernel/softirq.c:445 [inline] softirqs last disabled at (283913): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 CPU: 0 PID: 3648 Comm: syz-executor.2 Tainted: G W 6.0.0-rc1-next-20220819-syzkaller #0 syz-executor.2[3648] cmdline: /root/syz-executor.2 exec Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:122 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:140 __might_resched.cold+0x222/0x26b kernel/sched/core.c:9896 down_read_killable+0x75/0x490 kernel/locking/rwsem.c:1521 mmap_read_lock_killable include/linux/mmap_lock.h:126 [inline] __access_remote_vm+0xac/0x6f0 mm/memory.c:5461 get_mm_cmdline.part.0+0x217/0x620 fs/proc/base.c:299 get_mm_cmdline fs/proc/base.c:367 [inline] get_task_cmdline_kernel+0x1d9/0x220 fs/proc/base.c:367 dump_stack_print_cmdline.part.0+0x82/0x150 lib/dump_stack.c:61 dump_stack_print_cmdline lib/dump_stack.c:89 [inline] dump_stack_print_info+0x185/0x190 lib/dump_stack.c:97 __dump_stack lib/dump_stack.c:121 [inline] dump_stack_lvl+0xc1/0x134 lib/dump_stack.c:140 __is_bitmap_valid fs/f2fs/checkpoint.c:155 [inline] f2fs_is_valid_blkaddr.cold+0x37/0x168 fs/f2fs/checkpoint.c:196 f2fs_do_write_data_page+0x64e/0x1d80 fs/f2fs/data.c:2646 f2fs_write_single_data_page+0x14cb/0x18d0 fs/f2fs/data.c:2801 f2fs_write_cache_pages+0xa7c/0x1f00 fs/f2fs/data.c:3076 __f2fs_write_data_pages fs/f2fs/data.c:3226 [inline] f2fs_write_data_pages+0x4cd/0x1260 fs/f2fs/data.c:3253 do_writepages+0x1ab/0x690 mm/page-writeback.c:2468 filemap_fdatawrite_wbc mm/filemap.c:388 [inline] filemap_fdatawrite_wbc+0x143/0x1b0 mm/filemap.c:378 __filemap_fdatawrite_range+0xb4/0xf0 mm/filemap.c:421 f2fs_sync_dirty_inodes+0x269/0xda0 fs/f2fs/checkpoint.c:1093 block_operations+0x282/0xc40 fs/f2fs/checkpoint.c:1224 f2fs_write_checkpoint+0x602/0x4c80 fs/f2fs/checkpoint.c:1633 kill_f2fs_super+0x328/0x3c0 fs/f2fs/super.c:4538 deactivate_locked_super+0x94/0x160 fs/super.c:332 deactivate_super+0xad/0xd0 fs/super.c:363 cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1186 task_work_run+0xdd/0x1a0 kernel/task_work.c:177 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fab5108a6e7 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc31705fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fab5108a6e7 RDX: 00007ffc31706079 RSI: 000000000000000a RDI: 00007ffc31706070 RBP: 00007ffc31706070 R08: 00000000ffffffff R09: 00007ffc31705e40 R10: 0000555555d968db R11: 0000000000000246 R12: 00007fab510e22ce R13: 00007ffc31707130 R14: 0000555555d96810 R15: 00007ffc31707170 syz-executor.2[3648] cmdline: /root/syz-executor.2 exec Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:122 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:140 __is_bitmap_valid fs/f2fs/checkpoint.c:155 [inline] f2fs_is_valid_blkaddr.cold+0x37/0x168 fs/f2fs/checkpoint.c:196 f2fs_do_write_data_page+0x64e/0x1d80 fs/f2fs/data.c:2646 f2fs_write_single_data_page+0x14cb/0x18d0 fs/f2fs/data.c:2801 f2fs_write_cache_pages+0xa7c/0x1f00 fs/f2fs/data.c:3076 __f2fs_write_data_pages fs/f2fs/data.c:3226 [inline] f2fs_write_data_pages+0x4cd/0x1260 fs/f2fs/data.c:3253 do_writepages+0x1ab/0x690 mm/page-writeback.c:2468 filemap_fdatawrite_wbc mm/filemap.c:388 [inline] filemap_fdatawrite_wbc+0x143/0x1b0 mm/filemap.c:378 __filemap_fdatawrite_range+0xb4/0xf0 mm/filemap.c:421 f2fs_sync_dirty_inodes+0x269/0xda0 fs/f2fs/checkpoint.c:1093 block_operations+0x282/0xc40 fs/f2fs/checkpoint.c:1224 f2fs_write_checkpoint+0x602/0x4c80 fs/f2fs/checkpoint.c:1633 kill_f2fs_super+0x328/0x3c0 fs/f2fs/super.c:4538 deactivate_locked_super+0x94/0x160 fs/super.c:332 deactivate_super+0xad/0xd0 fs/super.c:363 cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1186 task_work_run+0xdd/0x1a0 kernel/task_work.c:177 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fab5108a6e7 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc31705fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fab5108a6e7 RDX: 00007ffc31706079 RSI: 000000000000000a RDI: 00007ffc31706070 RBP: 00007ffc31706070 R08: 00000000ffffffff R09: 00007ffc31705e40 R10: 0000555555d968db R11: 0000000000000246 R12: 00007fab510e22ce R13: 00007ffc31707130 R14: 0000555555d96810 R15: 00007ffc31707170 F2FS-fs (loop2): access invalid blkaddr:4294901760 CPU: 1 PID: 3648 Comm: syz-executor.2 Tainted: G W 6.0.0-rc1-next-20220819-syzkaller #0 syz-executor.2[3648] cmdline: /root/syz-executor.2 exec Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:122 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:140 __is_bitmap_valid fs/f2fs/checkpoint.c:155 [inline] f2fs_is_valid_blkaddr.cold+0x37/0x168 fs/f2fs/checkpoint.c:196 f2fs_do_write_data_page+0x64e/0x1d80 fs/f2fs/data.c:2646 f2fs_write_single_data_page+0x14cb/0x18d0 fs/f2fs/data.c:2801 f2fs_write_cache_pages+0xa7c/0x1f00 fs/f2fs/data.c:3076 __f2fs_write_data_pages fs/f2fs/data.c:3226 [inline] f2fs_write_data_pages+0x4cd/0x1260 fs/f2fs/data.c:3253 do_writepages+0x1ab/0x690 mm/page-writeback.c:2468 filemap_fdatawrite_wbc mm/filemap.c:388 [inline] filemap_fdatawrite_wbc+0x143/0x1b0 mm/filemap.c:378 __filemap_fdatawrite_range+0xb4/0xf0 mm/filemap.c:421 f2fs_sync_dirty_inodes+0x269/0xda0 fs/f2fs/checkpoint.c:1093 block_operations+0x282/0xc40 fs/f2fs/checkpoint.c:1224 f2fs_write_checkpoint+0x602/0x4c80 fs/f2fs/checkpoint.c:1633 kill_f2fs_super+0x328/0x3c0 fs/f2fs/super.c:4538 deactivate_locked_super+0x94/0x160 fs/super.c:332 deactivate_super+0xad/0xd0 fs/super.c:363 cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1186 task_work_run+0xdd/0x1a0 kernel/task_work.c:177 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fab5108a6e7 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc31705fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fab5108a6e7 RDX: 00007ffc31706079 RSI: 000000000000000a RDI: 00007ffc31706070 RBP: 00007ffc31706070 R08: 00000000ffffffff R09: 00007ffc31705e40 R10: 0000555555d968db R11: 0000000000000246 R12: 00007fab510e22ce R13: 00007ffc31707130 R14: 0000555555d96810 R15: 00007ffc31707170 F2FS-fs (loop2): access invalid blkaddr:4294901760 CPU: 1 PID: 3648 Comm: syz-executor.2 Tainted: G W 6.0.0-rc1-next-20220819-syzkaller #0 BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1521 in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 3648, name: syz-executor.2 preempt_count: 0, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz-executor.2/3648: #0: ffff888034c9c0e0 (&type->s_umount_key#48){++++}-{3:3}, at: deactivate_super+0xa5/0xd0 fs/super.c:362 #1: ffff888079d84318 (&sbi->cp_global_sem){+.+.}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2192 [inline] #1: ffff888079d84318 (&sbi->cp_global_sem){+.+.}-{3:3}, at: f2fs_write_checkpoint+0x4ae/0x4c80 fs/f2fs/checkpoint.c:1620 irq event stamp: 286948 hardirqs last enabled at (286947): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1352 [inline] hardirqs last enabled at (286947): [] finish_lock_switch kernel/sched/core.c:4956 [inline] hardirqs last enabled at (286947): [] finish_task_switch.isra.0+0x2b5/0xc70 kernel/sched/core.c:5074 hardirqs last disabled at (286948): [] dump_stack_lvl+0x2e/0x134 lib/dump_stack.c:139 softirqs last enabled at (286940): [] invoke_softirq kernel/softirq.c:445 [inline] softirqs last enabled at (286940): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 softirqs last disabled at (286931): [] invoke_softirq kernel/softirq.c:445 [inline] softirqs last disabled at (286931): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 CPU: 1 PID: 3648 Comm: syz-executor.2 Tainted: G W 6.0.0-rc1-next-20220819-syzkaller #0 syz-executor.2[3648] cmdline: /root/syz-executor.2 exec Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:122 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:140 __might_resched.cold+0x222/0x26b kernel/sched/core.c:9896 down_read_killable+0x75/0x490 kernel/locking/rwsem.c:1521 mmap_read_lock_killable include/linux/mmap_lock.h:126 [inline] __access_remote_vm+0xac/0x6f0 mm/memory.c:5461 get_mm_cmdline.part.0+0x217/0x620 fs/proc/base.c:299 get_mm_cmdline fs/proc/base.c:367 [inline] get_task_cmdline_kernel+0x1d9/0x220 fs/proc/base.c:367 dump_stack_print_cmdline.part.0+0x82/0x150 lib/dump_stack.c:61 dump_stack_print_cmdline lib/dump_stack.c:89 [inline] dump_stack_print_info+0x185/0x190 lib/dump_stack.c:97 __dump_stack lib/dump_stack.c:121 [inline] dump_stack_lvl+0xc1/0x134 lib/dump_stack.c:140 __is_bitmap_valid fs/f2fs/checkpoint.c:155 [inline] f2fs_is_valid_blkaddr.cold+0x37/0x168 fs/f2fs/checkpoint.c:196 f2fs_do_write_data_page+0x64e/0x1d80 fs/f2fs/data.c:2646 f2fs_write_single_data_page+0x14cb/0x18d0 fs/f2fs/data.c:2801 f2fs_write_cache_pages+0xa7c/0x1f00 fs/f2fs/data.c:3076 __f2fs_write_data_pages fs/f2fs/data.c:3226 [inline] f2fs_write_data_pages+0x4cd/0x1260 fs/f2fs/data.c:3253 do_writepages+0x1ab/0x690 mm/page-writeback.c:2468 filemap_fdatawrite_wbc mm/filemap.c:388 [inline] filemap_fdatawrite_wbc+0x143/0x1b0 mm/filemap.c:378 __filemap_fdatawrite_range+0xb4/0xf0 mm/filemap.c:421 f2fs_sync_dirty_inodes+0x269/0xda0 fs/f2fs/checkpoint.c:1093 block_operations+0x282/0xc40 fs/f2fs/checkpoint.c:1224 f2fs_write_checkpoint+0x602/0x4c80 fs/f2fs/checkpoint.c:1633 kill_f2fs_super+0x328/0x3c0 fs/f2fs/super.c:4538 deactivate_locked_super+0x94/0x160 fs/super.c:332 deactivate_super+0xad/0xd0 fs/super.c:363 cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1186 task_work_run+0xdd/0x1a0 kernel/task_work.c:177 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fab5108a6e7 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc31705fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fab5108a6e7 RDX: 00007ffc31706079 RSI: 000000000000000a RDI: 00007ffc31706070 RBP: 00007ffc31706070 R08: 00000000ffffffff R09: 00007ffc31705e40 R10: 0000555555d968db R11: 0000000000000246 R12: 00007fab510e22ce R13: 00007ffc31707130 R14: 0000555555d96810 R15: 00007ffc31707170 syz-executor.2[3648] cmdline: /root/syz-executor.2 exec Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:122 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:140 __is_bitmap_valid fs/f2fs/checkpoint.c:155 [inline] f2fs_is_valid_blkaddr.cold+0x37/0x168 fs/f2fs/checkpoint.c:196 f2fs_do_write_data_page+0x64e/0x1d80 fs/f2fs/data.c:2646 f2fs_write_single_data_page+0x14cb/0x18d0 fs/f2fs/data.c:2801 f2fs_write_cache_pages+0xa7c/0x1f00 fs/f2fs/data.c:3076 __f2fs_write_data_pages fs/f2fs/data.c:3226 [inline] f2fs_write_data_pages+0x4cd/0x1260 fs/f2fs/data.c:3253 do_writepages+0x1ab/0x690 mm/page-writeback.c:2468 filemap_fdatawrite_wbc mm/filemap.c:388 [inline] filemap_fdatawrite_wbc+0x143/0x1b0 mm/filemap.c:378 __filemap_fdatawrite_range+0xb4/0xf0 mm/filemap.c:421 f2fs_sync_dirty_inodes+0x269/0xda0 fs/f2fs/checkpoint.c:1093 block_operations+0x282/0xc40 fs/f2fs/checkpoint.c:1224 f2fs_write_checkpoint+0x602/0x4c80 fs/f2fs/checkpoint.c:1633 kill_f2fs_super+0x328/0x3c0 fs/f2fs/super.c:4538 deactivate_locked_super+0x94/0x160 fs/super.c:332 deactivate_super+0xad/0xd0 fs/super.c:363 cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1186 task_work_run+0xdd/0x1a0 kernel/task_work.c:177 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fab5108a6e7 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc31705fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fab5108a6e7 RDX: 00007ffc31706079 RSI: 000000000000000a RDI: 00007ffc31706070 RBP: 00007ffc31706070 R08: 00000000ffffffff R09: 00007ffc31705e40 R10: 0000555555d968db R11: 0000000000000246 R12: 00007fab510e22ce R13: 00007ffc31707130 R14: 0000555555d96810 R15: 00007ffc31707170 F2FS-fs (loop2): access invalid blkaddr:4294901760 CPU: 0 PID: 3648 Comm: syz-executor.2 Tainted: G W 6.0.0-rc1-next-20220819-syzkaller #0 syz-executor.2[3648] cmdline: /root/syz-executor.2 exec Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:122 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:140 __is_bitmap_valid fs/f2fs/checkpoint.c:155 [inline] f2fs_is_valid_blkaddr.cold+0x37/0x168 fs/f2fs/checkpoint.c:196 f2fs_do_write_data_page+0x64e/0x1d80 fs/f2fs/data.c:2646 f2fs_write_single_data_page+0x14cb/0x18d0 fs/f2fs/data.c:2801 f2fs_write_cache_pages+0xa7c/0x1f00 fs/f2fs/data.c:3076 __f2fs_write_data_pages fs/f2fs/data.c:3226 [inline] f2fs_write_data_pages+0x4cd/0x1260 fs/f2fs/data.c:3253 do_writepages+0x1ab/0x690 mm/page-writeback.c:2468 filemap_fdatawrite_wbc mm/filemap.c:388 [inline] filemap_fdatawrite_wbc+0x143/0x1b0 mm/filemap.c:378 __filemap_fdatawrite_range+0xb4/0xf0 mm/filemap.c:421 f2fs_sync_dirty_inodes+0x269/0xda0 fs/f2fs/checkpoint.c:1093 block_operations+0x282/0xc40 fs/f2fs/checkpoint.c:1224 f2fs_write_checkpoint+0x602/0x4c80 fs/f2fs/checkpoint.c:1633 kill_f2fs_super+0x328/0x3c0 fs/f2fs/super.c:4538 deactivate_locked_super+0x94/0x160 fs/super.c:332 deactivate_super+0xad/0xd0 fs/super.c:363 cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1186 task_work_run+0xdd/0x1a0 kernel/task_work.c:177 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fab5108a6e7 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc31705fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fab5108a6e7 RDX: 00007ffc31706079 RSI: 000000000000000a RDI: 00007ffc31706070 RBP: 00007ffc31706070 R08: 00000000ffffffff R09: 00007ffc31705e40 R10: 0000555555d968db R11: 0000000000000246 R12: 00007fab510e22ce R13: 00007ffc31707130 R14: 0000555555d96810 R15: 00007ffc31707170 F2FS-fs (loop2): access invalid blkaddr:4294901760 CPU: 0 PID: 3648 Comm: syz-executor.2 Tainted: G W 6.0.0-rc1-next-20220819-syzkaller #0 BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1521 in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 3648, name: syz-executor.2 preempt_count: 0, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz-executor.2/3648: #0: ffff888034c9c0e0 (&type->s_umount_key#48){++++}-{3:3}, at: deactivate_super+0xa5/0xd0 fs/super.c:362 #1: ffff888079d84318 (&sbi->cp_global_sem){+.+.}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2192 [inline] #1: ffff888079d84318 (&sbi->cp_global_sem){+.+.}-{3:3}, at: f2fs_write_checkpoint+0x4ae/0x4c80 fs/f2fs/checkpoint.c:1620 irq event stamp: 289020 hardirqs last enabled at (289019): [] __up_console_sem+0xae/0xc0 kernel/printk/printk.c:264 hardirqs last disabled at (289020): [] dump_stack_lvl+0x2e/0x134 lib/dump_stack.c:139 softirqs last enabled at (289014): [] invoke_softirq kernel/softirq.c:445 [inline] softirqs last enabled at (289014): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 softirqs last disabled at (289003): [] invoke_softirq kernel/softirq.c:445 [inline] softirqs last disabled at (289003): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 CPU: 0 PID: 3648 Comm: syz-executor.2 Tainted: G W 6.0.0-rc1-next-20220819-syzkaller #0 syz-executor.2[3648] cmdline: /root/syz-executor.2 exec Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:122 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:140 __might_resched.cold+0x222/0x26b kernel/sched/core.c:9896 down_read_killable+0x75/0x490 kernel/locking/rwsem.c:1521 mmap_read_lock_killable include/linux/mmap_lock.h:126 [inline] __access_remote_vm+0xac/0x6f0 mm/memory.c:5461 get_mm_cmdline.part.0+0x217/0x620 fs/proc/base.c:299 get_mm_cmdline fs/proc/base.c:367 [inline] get_task_cmdline_kernel+0x1d9/0x220 fs/proc/base.c:367 dump_stack_print_cmdline.part.0+0x82/0x150 lib/dump_stack.c:61 dump_stack_print_cmdline lib/dump_stack.c:89 [inline] dump_stack_print_info+0x185/0x190 lib/dump_stack.c:97 __dump_stack lib/dump_stack.c:121 [inline] dump_stack_lvl+0xc1/0x134 lib/dump_stack.c:140 __is_bitmap_valid fs/f2fs/checkpoint.c:155 [inline] f2fs_is_valid_blkaddr.cold+0x37/0x168 fs/f2fs/checkpoint.c:196 f2fs_do_write_data_page+0x64e/0x1d80 fs/f2fs/data.c:2646 f2fs_write_single_data_page+0x14cb/0x18d0 fs/f2fs/data.c:2801 f2fs_write_cache_pages+0xa7c/0x1f00 fs/f2fs/data.c:3076 __f2fs_write_data_pages fs/f2fs/data.c:3226 [inline] f2fs_write_data_pages+0x4cd/0x1260 fs/f2fs/data.c:3253 do_writepages+0x1ab/0x690 mm/page-writeback.c:2468 filemap_fdatawrite_wbc mm/filemap.c:388 [inline] filemap_fdatawrite_wbc+0x143/0x1b0 mm/filemap.c:378 __filemap_fdatawrite_range+0xb4/0xf0 mm/filemap.c:421 f2fs_sync_dirty_inodes+0x269/0xda0 fs/f2fs/checkpoint.c:1093 block_operations+0x282/0xc40 fs/f2fs/checkpoint.c:1224 f2fs_write_checkpoint+0x602/0x4c80 fs/f2fs/checkpoint.c:1633 kill_f2fs_super+0x328/0x3c0 fs/f2fs/super.c:4538 deactivate_locked_super+0x94/0x160 fs/super.c:332 deactivate_super+0xad/0xd0 fs/super.c:363 cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1186 task_work_run+0xdd/0x1a0 kernel/task_work.c:177 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fab5108a6e7 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc31705fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fab5108a6e7 RDX: 00007ffc31706079 RSI: 000000000000000a RDI: 00007ffc31706070 RBP: 00007ffc31706070 R08: 00000000ffffffff R09: 00007ffc31705e40 R10: 0000555555d968db R11: 0000000000000246 R12: 00007fab510e22ce R13: 00007ffc31707130 R14: 0000555555d96810 R15: 00007ffc31707170 syz-executor.2[3648] cmdline: /root/syz-executor.2 exec Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:122 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:140 __is_bitmap_valid fs/f2fs/checkpoint.c:155 [inline] f2fs_is_valid_blkaddr.cold+0x37/0x168 fs/f2fs/checkpoint.c:196 f2fs_do_write_data_page+0x64e/0x1d80 fs/f2fs/data.c:2646 f2fs_write_single_data_page+0x14cb/0x18d0 fs/f2fs/data.c:2801 f2fs_write_cache_pages+0xa7c/0x1f00 fs/f2fs/data.c:3076 __f2fs_write_data_pages fs/f2fs/data.c:3226 [inline] f2fs_write_data_pages+0x4cd/0x1260 fs/f2fs/data.c:3253 do_writepages+0x1ab/0x690 mm/page-writeback.c:2468 filemap_fdatawrite_wbc mm/filemap.c:388 [inline] filemap_fdatawrite_wbc+0x143/0x1b0 mm/filemap.c:378 __filemap_fdatawrite_range+0xb4/0xf0 mm/filemap.c:421 f2fs_sync_dirty_inodes+0x269/0xda0 fs/f2fs/checkpoint.c:1093 block_operations+0x282/0xc40 fs/f2fs/checkpoint.c:1224 f2fs_write_checkpoint+0x602/0x4c80 fs/f2fs/checkpoint.c:1633 kill_f2fs_super+0x328/0x3c0 fs/f2fs/super.c:4538 deactivate_locked_super+0x94/0x160 fs/super.c:332 deactivate_super+0xad/0xd0 fs/super.c:363 cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1186 task_work_run+0xdd/0x1a0 kernel/task_work.c:177 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fab5108a6e7 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc31705fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fab5108a6e7 RDX: 00007ffc31706079 RSI: 000000000000000a RDI: 00007ffc31706070 RBP: 00007ffc31706070 R08: 00000000ffffffff R09: 00007ffc31705e40 R10: 0000555555d968db R11: 0000000000000246 R12: 00007fab510e22ce R13: 00007ffc31707130 R14: 0000555555d96810 R15: 00007ffc31707170 F2FS-fs (loop2): access invalid blkaddr:4294901760 CPU: 1 PID: 3648 Comm: syz-executor.2 Tainted: G W 6.0.0-rc1-next-20220819-syzkaller #0 syz-executor.2[3648] cmdline: /root/syz-executor.2 exec Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:122 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:140 __is_bitmap_valid fs/f2fs/checkpoint.c:155 [inline] f2fs_is_valid_blkaddr.cold+0x37/0x168 fs/f2fs/checkpoint.c:196 f2fs_do_write_data_page+0x64e/0x1d80 fs/f2fs/data.c:2646 f2fs_write_single_data_page+0x14cb/0x18d0 fs/f2fs/data.c:2801 f2fs_write_cache_pages+0xa7c/0x1f00 fs/f2fs/data.c:3076 __f2fs_write_data_pages fs/f2fs/data.c:3226 [inline] f2fs_write_data_pages+0x4cd/0x1260 fs/f2fs/data.c:3253 do_writepages+0x1ab/0x690 mm/page-writeback.c:2468 filemap_fdatawrite_wbc mm/filemap.c:388 [inline] filemap_fdatawrite_wbc+0x143/0x1b0 mm/filemap.c:378 __filemap_fdatawrite_range+0xb4/0xf0 mm/filemap.c:421 f2fs_sync_dirty_inodes+0x269/0xda0 fs/f2fs/checkpoint.c:1093 block_operations+0x282/0xc40 fs/f2fs/checkpoint.c:1224 f2fs_write_checkpoint+0x602/0x4c80 fs/f2fs/checkpoint.c:1633 kill_f2fs_super+0x328/0x3c0 fs/f2fs/super.c:4538 deactivate_locked_super+0x94/0x160 fs/super.c:332 deactivate_super+0xad/0xd0 fs/super.c:363 cleanup_mnt+0x2ae/0x3d0 fs/namespace.c:1186 task_work_run+0xdd/0x1a0 kernel/task_work.c:177 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fab5108a6e7 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc31705fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fab5108a6e7 RDX: 00007ffc31706079 RSI: 000000000000000a RDI: 00007ffc31706070 RBP: 00007ffc31706070 R08: 00000000ffffffff R09: 00007ffc31705e40 R10: 0000555555d968db R11: 0000000000000246 R12: 00007fab510e22ce R13: 00007ffc31707130 R14: 0000555555d96810 R15: 00007ffc31707170 F2FS-fs (loop2): access invalid blkaddr:4294901760 CPU: 1 PID: 3648 Comm: syz-executor.2 Tainted: G W 6.0.0-rc1-next-20220819-syzkaller #0 BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1521 in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 3648, name: syz-executor.2 preempt_count: 0, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz-executor.2/3648: #0: ffff888034c9c0e0 (&type->s_umount_key#48){++++}-{3:3}, at: deactivate_super+0xa5/0xd0 fs/super.c:362 #1: ffff888079d84318 (&sbi->cp_global_sem){+.+.}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2192 [inline] #1: ffff888079d84318 (&sbi->cp_global_sem){+.+.}-{3:3}, at: f2fs_write_checkpoint+0x4ae/0x4c80 fs/f2fs/checkpoint.c:1620 irq event stamp: 289846 hardirqs last enabled at (289845): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1352 [inline] hardirqs last enabled at (289845): [] finish_lock_switch kernel/sched/core.c:4956 [inline] hardirqs last enabled at (289845): [] finish_task_switch.isra.0+0x2b5/0xc70 kernel/sched/core.c:5074 hardirqs last disabled at (289846): [] dump_stack_lvl+0x2e/0x134 lib/dump_stack.c:139 softirqs last enabled at (289838): [] invoke_softirq kernel/softirq.c:445 [inline] softirqs last enabled at (289838): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 softirqs last disabled at (289683): [] invoke_softirq kernel/softirq.c:445 [inline] softirqs last disabled at (289683): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 CPU: 1 PID: 3648 Comm: syz-executor.2 Tainted: G W 6.0.0-rc1-next-20220819-syzkaller #0 syz-executor.2[3648] cmdline: /root/syz-executor.2 exec Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:122 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:140 __might_resched.cold+0x222/0x26b kernel/sched/core.c:9896 down_read_killable+0x75/0x490 kernel/locking/rwsem.c:1521 mmap_read_lock_killable include/linux/mmap_lock.h:126 [inline] __access_remote_vm+0xac/0x6f0 mm/memory.c:5461 get_mm_cmdline.part.0+0x217/0x620 fs/proc/base.c:299 get_mm_cmdline fs/proc/base.c:367 [inline] get_task_cmdline_kernel+0x1d9/0x220 fs/proc/base.c:367 dump_stack_print_cmdline.part.0+0x82/0x150 lib/dump_stack.c:61 dump_stack_print_cmdline lib/dump_stack.c:89 [inline] dump_stack_print_info+0x185/0x190 lib/dump_stack.c:97 __dump_stack lib/dump_stack.c:121 [inline] dump_stack_lvl+0xc1/0x134 lib/dump_stack.c:140 __is_bitmap_valid fs/f2fs/checkpoint.c:155 [inline] f2fs_is_valid_blkaddr.cold+0x37/0x168 fs/f2fs/checkpoint.c:196 f2fs_do_write_data_page+0x64e/0x1d80 fs/f2fs/data.c:2646 f2fs_write_single_data_page+0x14cb/0x18d0 fs/f2fs/data.c:2801 f2fs_write_cache_pages+0xa7c/0x1f00 fs/f2fs/data.c:3076 __f2fs_write_data_pages fs/f2fs/data.c:3226 [inline] f2fs_write_data_pages+0x4cd/0x1260 fs/f2fs/data.c:3253 do_writepages+0x1ab/0x690 mm/page-writeback.c:2468 filemap_fdatawrite_wbc mm/filemap.c:388 [inline] filemap_fdatawrite_wbc+0x143/0x1b0 mm/filemap.c:378 __filemap_fdatawrite_range+0xb4/0xf0 mm/filemap.c:421 f2fs_sync_dirty_inodes+0x269/0xda0 fs/f2fs/checkpoint.c:1093