INFO: task syz-executor.1:22101 blocked for more than 143 seconds.
Not tainted 5.15.105-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:21112 pid:22101 ppid: 1 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5026 [inline]
__schedule+0x12c4/0x4590 kernel/sched/core.c:6372
schedule+0x11b/0x1f0 kernel/sched/core.c:6455
rwsem_down_write_slowpath+0xebb/0x15c0 kernel/locking/rwsem.c:1157
__down_write_common kernel/locking/rwsem.c:1284 [inline]
__down_write kernel/locking/rwsem.c:1293 [inline]
down_write+0x164/0x170 kernel/locking/rwsem.c:1542
inode_lock include/linux/fs.h:787 [inline]
vfs_unlink+0xe0/0x5f0 fs/namei.c:4198
do_unlinkat+0x49d/0x940 fs/namei.c:4277
__do_sys_unlink fs/namei.c:4325 [inline]
__se_sys_unlink fs/namei.c:4323 [inline]
__x64_sys_unlink+0x45/0x50 fs/namei.c:4323
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f79297aca67
RSP: 002b:00007ffdf41ce0c8 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f79297aca67
RDX: 00007ffdf41ce100 RSI: 00007ffdf41ce100 RDI: 00007ffdf41ce190
RBP: 00007ffdf41ce190 R08: 0000000000000001 R09: 00007ffdf41cdf60
R10: 00005555567938e3 R11: 0000000000000206 R12: 00007f7929807b74
R13: 00007ffdf41cf250 R14: 0000555556793810 R15: 00007ffdf41cf290
INFO: task syz-executor.0:23244 blocked for more than 144 seconds.
Not tainted 5.15.105-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:21112 pid:23244 ppid: 1 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5026 [inline]
__schedule+0x12c4/0x4590 kernel/sched/core.c:6372
schedule+0x11b/0x1f0 kernel/sched/core.c:6455
rwsem_down_write_slowpath+0xebb/0x15c0 kernel/locking/rwsem.c:1157
__down_write_common kernel/locking/rwsem.c:1284 [inline]
__down_write kernel/locking/rwsem.c:1293 [inline]
down_write+0x164/0x170 kernel/locking/rwsem.c:1542
inode_lock include/linux/fs.h:787 [inline]
vfs_unlink+0xe0/0x5f0 fs/namei.c:4198
do_unlinkat+0x49d/0x940 fs/namei.c:4277
__do_sys_unlink fs/namei.c:4325 [inline]
__se_sys_unlink fs/namei.c:4323 [inline]
__x64_sys_unlink+0x45/0x50 fs/namei.c:4323
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f3bb4be9a67
RSP: 002b:00007ffeb94f3b48 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3bb4be9a67
RDX: 00007ffeb94f3b80 RSI: 00007ffeb94f3b80 RDI: 00007ffeb94f3c10
RBP: 00007ffeb94f3c10 R08: 0000000000000001 R09: 00007ffeb94f39e0
R10: 0000555555c2a8e3 R11: 0000000000000206 R12: 00007f3bb4c44b74
R13: 00007ffeb94f4cd0 R14: 0000555555c2a810 R15: 00007ffeb94f4d10
INFO: task syz-executor.0:23376 blocked for more than 144 seconds.
Not tainted 5.15.105-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:21336 pid:23376 ppid: 23244 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5026 [inline]
__schedule+0x12c4/0x4590 kernel/sched/core.c:6372
schedule+0x11b/0x1f0 kernel/sched/core.c:6455
wb_wait_for_completion+0x164/0x290 fs/fs-writeback.c:191
__writeback_inodes_sb_nr+0x2ce/0x370 fs/fs-writeback.c:2659
try_to_writeback_inodes_sb+0x94/0xb0 fs/fs-writeback.c:2707
ext4_nonda_switch fs/ext4/inode.c:2943 [inline]
ext4_da_write_begin+0x228/0xb60 fs/ext4/inode.c:2970
generic_perform_write+0x2bf/0x5b0 mm/filemap.c:3776
ext4_buffered_write_iter+0x22e/0x380 fs/ext4/file.c:269
ext4_file_write_iter+0x87c/0x1990
__kernel_write+0x5b1/0xa60 fs/read_write.c:539
__dump_emit+0x264/0x3a0 fs/coredump.c:875
dump_user_range+0x91/0x320 fs/coredump.c:949
elf_core_dump+0x3c7d/0x4570 fs/binfmt_elf.c:2285
do_coredump+0x1852/0x31e0 fs/coredump.c:826
get_signal+0xc06/0x14e0 kernel/signal.c:2875
arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:865
handle_signal_work kernel/entry/common.c:148 [inline]
exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:172
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208
irqentry_exit_to_user_mode+0x5/0x30 kernel/entry/common.c:314
exc_general_protection+0x358/0x4f0 arch/x86/kernel/traps.c:562
asm_exc_general_protection+0x22/0x30 arch/x86/include/asm/idtentry.h:562
RIP: 0033:0x7f3bb4bea101
RSP: 002b:00000000200001b0 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f3bb4d09f80 RCX: 00007f3bb4bea0f9
RDX: 00000000200001c0 RSI: 00000000200001b0 RDI: 0000000000000400
RBP: 00007f3bb4c45b39 R08: 0000000020000240 R09: 0000000020000240
R10: 0000000020000200 R11: 0000000000000206 R12: 0000000000000000
R13: 00007ffeb94f49ef R14: 00007f3bb315c300 R15: 0000000000022000
INFO: task syz-executor.0:23388 blocked for more than 146 seconds.
Not tainted 5.15.105-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:21816 pid:23388 ppid: 23244 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5026 [inline]
__schedule+0x12c4/0x4590 kernel/sched/core.c:6372
schedule+0x11b/0x1f0 kernel/sched/core.c:6455
wb_wait_for_completion+0x164/0x290 fs/fs-writeback.c:191
__writeback_inodes_sb_nr+0x2ce/0x370 fs/fs-writeback.c:2659
try_to_writeback_inodes_sb+0x94/0xb0 fs/fs-writeback.c:2707
ext4_nonda_switch fs/ext4/inode.c:2943 [inline]
ext4_da_write_begin+0x228/0xb60 fs/ext4/inode.c:2970
generic_perform_write+0x2bf/0x5b0 mm/filemap.c:3776
ext4_buffered_write_iter+0x22e/0x380 fs/ext4/file.c:269
ext4_file_write_iter+0x87c/0x1990
__kernel_write+0x5b1/0xa60 fs/read_write.c:539
__dump_emit+0x264/0x3a0 fs/coredump.c:875
dump_user_range+0x91/0x320 fs/coredump.c:949
elf_core_dump+0x3c7d/0x4570 fs/binfmt_elf.c:2285
do_coredump+0x1852/0x31e0 fs/coredump.c:826
get_signal+0xc06/0x14e0 kernel/signal.c:2875
arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:865
handle_signal_work kernel/entry/common.c:148 [inline]
exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:172
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208
irqentry_exit_to_user_mode+0x5/0x30 kernel/entry/common.c:314
exc_general_protection+0x358/0x4f0 arch/x86/kernel/traps.c:562
asm_exc_general_protection+0x22/0x30 arch/x86/include/asm/idtentry.h:562
RIP: 0033:0x7f3bb4bea101
RSP: 002b:0000000020000070 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f3bb4d09f80 RCX: 00007f3bb4bea0f9
RDX: 0000000020000100 RSI: 0000000020000070 RDI: 0000000000003000
RBP: 00007f3bb4c45b39 R08: 0000000020000300 R09: 0000000020000300
R10: 00000000200002c0 R11: 0000000000000206 R12: 0000000000000000
R13: 00007ffeb94f49ef R14: 00007f3bb315c300 R15: 0000000000022000
INFO: task syz-executor.3:23393 blocked for more than 148 seconds.
Not tainted 5.15.105-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:22552 pid:23393 ppid: 23293 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5026 [inline]
__schedule+0x12c4/0x4590 kernel/sched/core.c:6372
schedule+0x11b/0x1f0 kernel/sched/core.c:6455
wb_wait_for_completion+0x164/0x290 fs/fs-writeback.c:191
__writeback_inodes_sb_nr+0x2ce/0x370 fs/fs-writeback.c:2659
try_to_writeback_inodes_sb+0x94/0xb0 fs/fs-writeback.c:2707
ext4_nonda_switch fs/ext4/inode.c:2943 [inline]
ext4_da_write_begin+0x228/0xb60 fs/ext4/inode.c:2970
generic_perform_write+0x2bf/0x5b0 mm/filemap.c:3776
ext4_buffered_write_iter+0x22e/0x380 fs/ext4/file.c:269
ext4_file_write_iter+0x87c/0x1990
__kernel_write+0x5b1/0xa60 fs/read_write.c:539
__dump_emit+0x264/0x3a0 fs/coredump.c:875
dump_user_range+0x91/0x320 fs/coredump.c:949
elf_core_dump+0x3c7d/0x4570 fs/binfmt_elf.c:2285
do_coredump+0x1852/0x31e0 fs/coredump.c:826
get_signal+0xc06/0x14e0 kernel/signal.c:2875
arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:865
handle_signal_work kernel/entry/common.c:148 [inline]
exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:172
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208
irqentry_exit_to_user_mode+0x5/0x30 kernel/entry/common.c:314
exc_general_protection+0x358/0x4f0 arch/x86/kernel/traps.c:562
asm_exc_general_protection+0x22/0x30 arch/x86/include/asm/idtentry.h:562
RIP: 0033:0x7fbf417cf101
RSP: 002b:00000000200001b0 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007fbf418eef80 RCX: 00007fbf417cf0f9
RDX: 00000000200001c0 RSI: 00000000200001b0 RDI: 0000000000000400
RBP: 00007fbf4182ab39 R08: 0000000020000240 R09: 0000000020000240
R10: 0000000020000200 R11: 0000000000000206 R12: 0000000000000000
R13: 00007ffcc1e3da2f R14: 00007fbf3fd41300 R15: 0000000000022000
INFO: task syz-executor.5:23415 blocked for more than 150 seconds.
Not tainted 5.15.105-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:22040 pid:23415 ppid: 3605 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5026 [inline]
__schedule+0x12c4/0x4590 kernel/sched/core.c:6372
schedule+0x11b/0x1f0 kernel/sched/core.c:6455
wb_wait_for_completion+0x164/0x290 fs/fs-writeback.c:191
__writeback_inodes_sb_nr+0x2ce/0x370 fs/fs-writeback.c:2659
try_to_writeback_inodes_sb+0x94/0xb0 fs/fs-writeback.c:2707
ext4_nonda_switch fs/ext4/inode.c:2943 [inline]
ext4_da_write_begin+0x228/0xb60 fs/ext4/inode.c:2970
generic_perform_write+0x2bf/0x5b0 mm/filemap.c:3776
ext4_buffered_write_iter+0x22e/0x380 fs/ext4/file.c:269
ext4_file_write_iter+0x87c/0x1990
__kernel_write+0x5b1/0xa60 fs/read_write.c:539
__dump_emit+0x264/0x3a0 fs/coredump.c:875
dump_user_range+0x91/0x320 fs/coredump.c:949
elf_core_dump+0x3c7d/0x4570 fs/binfmt_elf.c:2285
do_coredump+0x1852/0x31e0 fs/coredump.c:826
get_signal+0xc06/0x14e0 kernel/signal.c:2875
arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:865
handle_signal_work kernel/entry/common.c:148 [inline]
exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:172
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208
irqentry_exit_to_user_mode+0x5/0x30 kernel/entry/common.c:314
exc_general_protection+0x358/0x4f0 arch/x86/kernel/traps.c:562
asm_exc_general_protection+0x22/0x30 arch/x86/include/asm/idtentry.h:562
RIP: 0033:0x7fb58eed4101
RSP: 002b:00000000200001b0 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007fb58eff4050 RCX: 00007fb58eed40f9
RDX: 00000000200001c0 RSI: 00000000200001b0 RDI: 0000000000000400
RBP: 00007fb58ef2fb39 R08: 0000000020000240 R09: 0000000020000240
R10: 0000000020000200 R11: 0000000000000206 R12: 0000000000000000
R13: 00007ffe340a941f R14: 00007fb58d425300 R15: 0000000000022000
INFO: task syz-executor.4:23420 blocked for more than 152 seconds.
Not tainted 5.15.105-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:22584 pid:23420 ppid: 22114 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5026 [inline]
__schedule+0x12c4/0x4590 kernel/sched/core.c:6372
schedule+0x11b/0x1f0 kernel/sched/core.c:6455
wb_wait_for_completion+0x164/0x290 fs/fs-writeback.c:191
__writeback_inodes_sb_nr+0x2ce/0x370 fs/fs-writeback.c:2659
try_to_writeback_inodes_sb+0x94/0xb0 fs/fs-writeback.c:2707
ext4_nonda_switch fs/ext4/inode.c:2943 [inline]
ext4_da_write_begin+0x228/0xb60 fs/ext4/inode.c:2970
generic_perform_write+0x2bf/0x5b0 mm/filemap.c:3776
ext4_buffered_write_iter+0x22e/0x380 fs/ext4/file.c:269
ext4_file_write_iter+0x87c/0x1990
__kernel_write+0x5b1/0xa60 fs/read_write.c:539
__dump_emit+0x264/0x3a0 fs/coredump.c:875
dump_user_range+0x91/0x320 fs/coredump.c:949
elf_core_dump+0x3c7d/0x4570 fs/binfmt_elf.c:2285
do_coredump+0x1852/0x31e0 fs/coredump.c:826
get_signal+0xc06/0x14e0 kernel/signal.c:2875
arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:865
handle_signal_work kernel/entry/common.c:148 [inline]
exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:172
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208
irqentry_exit_to_user_mode+0x5/0x30 kernel/entry/common.c:314
exc_general_protection+0x358/0x4f0 arch/x86/kernel/traps.c:562
asm_exc_general_protection+0x22/0x30 arch/x86/include/asm/idtentry.h:562
RIP: 0033:0x7f1204fb1101
RSP: 002b:00000000200001b0 EFLAGS: 00010217