ci2 starts bisection 2023-06-03 07:03:39.007887582 +0000 UTC m=+123242.654795246 bisecting fixing commit since c957cbb8731536ddc9a01e4c1cd51eab6558aa14 building syzkaller on f325deb023e4e2fb9197004be1b3da738680429c ensuring issue is reproducible on original commit c957cbb8731536ddc9a01e4c1cd51eab6558aa14 testing commit c957cbb8731536ddc9a01e4c1cd51eab6558aa14 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 53b8f33a4419ad8f07481963ab8a83da46c57fc9e4e8091421aef642c7e0bc01 all runs: crashed: BUG: sleeping function called from invalid context in f2fs_register_inmem_page testing current HEAD 0ab06468cbd149aac0d7f216ec00452ff8c74e0b testing commit 0ab06468cbd149aac0d7f216ec00452ff8c74e0b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 3d0a3cf33a8a831e3da0c9be1f7ca4af3b2972d2076d04b2d053b6559cdbfa9a all runs: crashed: BUG: sleeping function called from invalid context in f2fs_register_inmem_page crash still not fixed/happens on the oldest tested release revisions tested: 2, total time: 33m50.543968008s (build: 25m15.860732253s, test: 7m56.984579884s) crash still not fixed on HEAD or HEAD had kernel test errors commit msg: Linux 5.15.114 crash: BUG: sleeping function called from invalid context in f2fs_register_inmem_page BUG: sleeping function called from invalid context at include/linux/sched/mm.h:209 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4718, name: syz-executor.0 1 lock held by syz-executor.0/4718: #0: ffff88801de9a858 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:363 [inline] #0: ffff88801de9a858 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: zap_pte_range mm/memory.c:1331 [inline] #0: ffff88801de9a858 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: zap_pmd_range mm/memory.c:1494 [inline] #0: ffff88801de9a858 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: zap_pud_range mm/memory.c:1523 [inline] #0: ffff88801de9a858 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: zap_p4d_range mm/memory.c:1544 [inline] #0: ffff88801de9a858 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: unmap_page_range+0x62d/0x2110 mm/memory.c:1565 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 PID: 4718 Comm: syz-executor.0 Not tainted 5.15.114-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x57/0x7d lib/dump_stack.c:106 ___might_sleep.cold+0x1f3/0x239 kernel/sched/core.c:9625 might_alloc include/linux/sched/mm.h:209 [inline] slab_pre_alloc_hook mm/slab.h:492 [inline] slab_alloc_node mm/slub.c:3134 [inline] slab_alloc mm/slub.c:3228 [inline] kmem_cache_alloc+0x2ae/0x310 mm/slub.c:3233 f2fs_kmem_cache_alloc_nofail fs/f2fs/f2fs.h:2627 [inline] f2fs_kmem_cache_alloc fs/f2fs/f2fs.h:2637 [inline] f2fs_register_inmem_page+0x192/0x670 fs/f2fs/segment.c:192 f2fs_set_data_page_dirty+0x34e/0x670 fs/f2fs/data.c:3785 zap_pte_range mm/memory.c:1366 [inline] zap_pmd_range mm/memory.c:1494 [inline] zap_pud_range mm/memory.c:1523 [inline] zap_p4d_range mm/memory.c:1544 [inline] unmap_page_range+0x14ea/0x2110 mm/memory.c:1565 unmap_vmas+0x151/0x280 mm/memory.c:1642 exit_mmap+0x19d/0x540 mm/mmap.c:3186 __mmput+0xed/0x430 kernel/fork.c:1118 exit_mm kernel/exit.c:548 [inline] do_exit+0x91f/0x2400 kernel/exit.c:859 do_group_exit+0xe7/0x290 kernel/exit.c:994 get_signal+0x280/0x2340 kernel/signal.c:2889 arch_do_signal_or_restart+0x2a9/0x1c20 arch/x86/kernel/signal.c:865 handle_signal_work kernel/entry/common.c:148 [inline] exit_to_user_mode_loop kernel/entry/common.c:172 [inline] exit_to_user_mode_prepare+0x1cf/0x260 kernel/entry/common.c:208 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:301 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f633aea00f9 Code: Unable to access opcode bytes at RIP 0x7f633aea00cf. RSP: 002b:00007f633a212218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f633afbff88 RCX: 00007f633aea00f9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f633afbff88 RBP: 00007f633afbff80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f633afbff8c R13: 00007ffc70b09c1f R14: 00007f633a212300 R15: 0000000000022000 ============================= [ BUG: Invalid wait context ] 5.15.114-syzkaller #0 Tainted: G W ----------------------------- syz-executor.0/4718 is trying to lock: ffff888072bf1018 (&fi->inmem_lock){+.+.}-{3:3}, at: f2fs_register_inmem_page+0x29a/0x670 fs/f2fs/segment.c:201 other info that might help us debug this: context-{4:4} 1 lock held by syz-executor.0/4718: #0: ffff88801de9a858 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:363 [inline] #0: ffff88801de9a858 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: zap_pte_range mm/memory.c:1331 [inline] #0: ffff88801de9a858 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: zap_pmd_range mm/memory.c:1494 [inline] #0: ffff88801de9a858 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: zap_pud_range mm/memory.c:1523 [inline] #0: ffff88801de9a858 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: zap_p4d_range mm/memory.c:1544 [inline] #0: ffff88801de9a858 (ptlock_ptr(page)#2){+.+.}-{2:2}, at: unmap_page_range+0x62d/0x2110 mm/memory.c:1565 stack backtrace: CPU: 0 PID: 4718 Comm: syz-executor.0 Tainted: G W 5.15.114-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x57/0x7d lib/dump_stack.c:106 print_lock_invalid_wait_context kernel/locking/lockdep.c:4663 [inline] check_wait_context kernel/locking/lockdep.c:4724 [inline] __lock_acquire.cold+0xc5/0x3a9 kernel/locking/lockdep.c:4961 lock_acquire kernel/locking/lockdep.c:5622 [inline] lock_acquire+0x1ab/0x4e0 kernel/locking/lockdep.c:5587 __mutex_lock_common kernel/locking/mutex.c:596 [inline] __mutex_lock+0x131/0x12f0 kernel/locking/mutex.c:729 f2fs_register_inmem_page+0x29a/0x670 fs/f2fs/segment.c:201 f2fs_set_data_page_dirty+0x34e/0x670 fs/f2fs/data.c:3785 zap_pte_range mm/memory.c:1366 [inline] zap_pmd_range mm/memory.c:1494 [inline] zap_pud_range mm/memory.c:1523 [inline] zap_p4d_range mm/memory.c:1544 [inline] unmap_page_range+0x14ea/0x2110 mm/memory.c:1565 unmap_vmas+0x151/0x280 mm/memory.c:1642 exit_mmap+0x19d/0x540 mm/mmap.c:3186 __mmput+0xed/0x430 kernel/fork.c:1118 exit_mm kernel/exit.c:548 [inline] do_exit+0x91f/0x2400 kernel/exit.c:859 do_group_exit+0xe7/0x290 kernel/exit.c:994 get_signal+0x280/0x2340 kernel/signal.c:2889 arch_do_signal_or_restart+0x2a9/0x1c20 arch/x86/kernel/signal.c:865 handle_signal_work kernel/entry/common.c:148 [inline] exit_to_user_mode_loop kernel/entry/common.c:172 [inline] exit_to_user_mode_prepare+0x1cf/0x260 kernel/entry/common.c:208 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:301 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f633aea00f9 Code: Unable to access opcode bytes at RIP 0x7f633aea00cf. RSP: 002b:00007f633a212218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f633afbff88 RCX: 00007f633aea00f9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f633afbff88 RBP: 00007f633afbff80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f633afbff8c R13: 00007ffc70b09c1f R14: 00007f633a212300 R15: 0000000000022000