INFO: task syz-executor.4:5114 blocked for more than 143 seconds.
Not tainted 5.15.169-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:22808 pid: 5114 ppid: 4484 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5027 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
schedule+0x11b/0x1f0 kernel/sched/core.c:6456
wb_wait_for_completion+0x164/0x290 fs/fs-writeback.c:191
__writeback_inodes_sb_nr+0x2ce/0x370 fs/fs-writeback.c:2684
try_to_writeback_inodes_sb+0x94/0xb0 fs/fs-writeback.c:2732
ext4_nonda_switch fs/ext4/inode.c:2944 [inline]
ext4_da_write_begin+0x228/0xb60 fs/ext4/inode.c:2971
generic_perform_write+0x2bf/0x5b0 mm/filemap.c:3785
ext4_buffered_write_iter+0x227/0x360 fs/ext4/file.c:268
ext4_file_write_iter+0x1d1/0x1940 fs/ext4/file.c:662
__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:2886
arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:867
handle_signal_work kernel/entry/common.c:154 [inline]
exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:178
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
irqentry_exit_to_user_mode+0x5/0x30 kernel/entry/common.c:320
exc_page_fault+0x342/0x700 arch/x86/mm/fault.c:1504
asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
RIP: 0033:0x0
RSP: 002b:0000000020000008 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f3539dd7f80 RCX: 00007f3539cb8ae9
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000040000
RBP: 00007f3539d0447a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000140 R11: 0000000000000206 R12: 0000000000000000
R13: 000000000000000b R14: 00007f3539dd7f80 R15: 00007ffc71a10798
INFO: task syz-executor.3:5170 blocked for more than 145 seconds.
Not tainted 5.15.169-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:22872 pid: 5170 ppid: 4483 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5027 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
schedule+0x11b/0x1f0 kernel/sched/core.c:6456
wb_wait_for_completion+0x164/0x290 fs/fs-writeback.c:191
__writeback_inodes_sb_nr+0x2ce/0x370 fs/fs-writeback.c:2684
try_to_writeback_inodes_sb+0x94/0xb0 fs/fs-writeback.c:2732
ext4_nonda_switch fs/ext4/inode.c:2944 [inline]
ext4_da_write_begin+0x228/0xb60 fs/ext4/inode.c:2971
generic_perform_write+0x2bf/0x5b0 mm/filemap.c:3785
ext4_buffered_write_iter+0x227/0x360 fs/ext4/file.c:268
ext4_file_write_iter+0x1d1/0x1940 fs/ext4/file.c:662
__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:2886
arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:867
handle_signal_work kernel/entry/common.c:154 [inline]
exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:178
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
irqentry_exit_to_user_mode+0x5/0x30 kernel/entry/common.c:320
exc_page_fault+0x342/0x700 arch/x86/mm/fault.c:1504
asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
RIP: 0033:0x0
RSP: 002b:0000000020000008 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007fa22a536f80 RCX: 00007fa22a417ae9
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000040000
RBP: 00007fa22a46347a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000140 R11: 0000000000000206 R12: 0000000000000000
R13: 000000000000000b R14: 00007fa22a536f80 R15: 00007fff7499ccd8
INFO: task syz-executor.3:5216 blocked for more than 147 seconds.
Not tainted 5.15.169-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:22840 pid: 5216 ppid: 4483 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5027 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
schedule+0x11b/0x1f0 kernel/sched/core.c:6456
wb_wait_for_completion+0x164/0x290 fs/fs-writeback.c:191
__writeback_inodes_sb_nr+0x2ce/0x370 fs/fs-writeback.c:2684
try_to_writeback_inodes_sb+0x94/0xb0 fs/fs-writeback.c:2732
ext4_nonda_switch fs/ext4/inode.c:2944 [inline]
ext4_da_write_begin+0x228/0xb60 fs/ext4/inode.c:2971
generic_perform_write+0x2bf/0x5b0 mm/filemap.c:3785
ext4_buffered_write_iter+0x227/0x360 fs/ext4/file.c:268
ext4_file_write_iter+0x1d1/0x1940 fs/ext4/file.c:662
__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:2886
arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:867
handle_signal_work kernel/entry/common.c:154 [inline]
exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:178
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
irqentry_exit_to_user_mode+0x5/0x30 kernel/entry/common.c:320
exc_page_fault+0x342/0x700 arch/x86/mm/fault.c:1504
asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
RIP: 0033:0x0
RSP: 002b:0000000020000008 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007fa22a536f80 RCX: 00007fa22a417ae9
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000040000
RBP: 00007fa22a46347a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000140 R11: 0000000000000206 R12: 0000000000000000
R13: 000000000000000b R14: 00007fa22a536f80 R15: 00007fff7499ccd8
INFO: task syz-executor.4:5306 blocked for more than 149 seconds.
Not tainted 5.15.169-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:23160 pid: 5306 ppid: 4484 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5027 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
schedule+0x11b/0x1f0 kernel/sched/core.c:6456
wb_wait_for_completion+0x164/0x290 fs/fs-writeback.c:191
__writeback_inodes_sb_nr+0x2ce/0x370 fs/fs-writeback.c:2684
try_to_writeback_inodes_sb+0x94/0xb0 fs/fs-writeback.c:2732
ext4_nonda_switch fs/ext4/inode.c:2944 [inline]
ext4_da_write_begin+0x228/0xb60 fs/ext4/inode.c:2971
generic_perform_write+0x2bf/0x5b0 mm/filemap.c:3785
ext4_buffered_write_iter+0x227/0x360 fs/ext4/file.c:268
ext4_file_write_iter+0x1d1/0x1940 fs/ext4/file.c:662
__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:2886
arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:867
handle_signal_work kernel/entry/common.c:154 [inline]
exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:178
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
irqentry_exit_to_user_mode+0x5/0x30 kernel/entry/common.c:320
exc_page_fault+0x342/0x700 arch/x86/mm/fault.c:1504
asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
RIP: 0033:0x9c77
RSP: 002b:0000000020000408 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f3539dd8120 RCX: 00007f3539cb8ae9
RDX: 0000000020000440 RSI: 0000000020000400 RDI: 0000000000000000
RBP: 00007f3539d0447a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f3539dd8120 R15: 00007ffc71a10798
INFO: task syz-executor.3:5337 blocked for more than 151 seconds.
Not tainted 5.15.169-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:23264 pid: 5337 ppid: 4483 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5027 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
schedule+0x11b/0x1f0 kernel/sched/core.c:6456
wb_wait_for_completion+0x164/0x290 fs/fs-writeback.c:191
__writeback_inodes_sb_nr+0x2ce/0x370 fs/fs-writeback.c:2684
try_to_writeback_inodes_sb+0x94/0xb0 fs/fs-writeback.c:2732
ext4_nonda_switch fs/ext4/inode.c:2944 [inline]
ext4_da_write_begin+0x228/0xb60 fs/ext4/inode.c:2971
generic_perform_write+0x2bf/0x5b0 mm/filemap.c:3785
ext4_buffered_write_iter+0x227/0x360 fs/ext4/file.c:268
ext4_file_write_iter+0x1d1/0x1940 fs/ext4/file.c:662
__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:2886
arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:867
handle_signal_work kernel/entry/common.c:154 [inline]
exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:178
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
irqentry_exit_to_user_mode+0x5/0x30 kernel/entry/common.c:320
exc_page_fault+0x342/0x700 arch/x86/mm/fault.c:1504
asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
RIP: 0033:0x9c77
RSP: 002b:0000000020000408 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007fa22a537120 RCX: 00007fa22a417ae9
RDX: 0000000020000440 RSI: 0000000020000400 RDI: 0000000000000000
RBP: 00007fa22a46347a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fa22a537120 R15: 00007fff7499ccd8
INFO: task syz-executor.4:5356 blocked for more than 153 seconds.
Not tainted 5.15.169-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:21984 pid: 5356 ppid: 4484 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5027 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6373