INFO: task syz.1.618:8182 blocked for more than 143 seconds.
Not tainted 6.14.0-syzkaller-11270-g08733088b566 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.618 state:D stack:27432 pid:8182 tgid:8180 ppid:5817 task_flags:0x440040 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x116f/0x5de0 kernel/sched/core.c:6767
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6860
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6917
rwsem_down_read_slowpath+0x62f/0xb60 kernel/locking/rwsem.c:1084
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0xef/0x480 kernel/locking/rwsem.c:1526
filemap_invalidate_lock_shared include/linux/fs.h:922 [inline]
page_cache_ra_order+0x322/0xd00 mm/readahead.c:491
do_sync_mmap_readahead mm/filemap.c:3273 [inline]
filemap_fault+0x147d/0x2850 mm/filemap.c:3414
__do_fault+0x10a/0x490 mm/memory.c:4991
do_read_fault mm/memory.c:5411 [inline]
do_fault mm/memory.c:5545 [inline]
do_pte_missing+0xed5/0x3ea0 mm/memory.c:4056
handle_pte_fault mm/memory.c:5890 [inline]
__handle_mm_fault+0x1043/0x2a50 mm/memory.c:6033
handle_mm_fault+0x404/0xae0 mm/memory.c:6202
do_user_addr_fault+0x7a9/0x1430 arch/x86/mm/fault.c:1388
handle_page_fault arch/x86/mm/fault.c:1480 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1538
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:do_strncpy_from_user lib/strncpy_from_user.c:72 [inline]
RIP: 0010:strncpy_from_user+0x1d5/0x2e0 lib/strncpy_from_user.c:130
Code: 0f 84 9b 00 00 00 e8 ea 4a bc fc 48 83 c3 01 48 83 ed 01 31 ff 48 89 ee e8 38 46 bc fc 48 85 ed 74 65 e8 ce 4a bc fc 45 31 ff <41> 8a 04 1c 31 ff 44 89 fe 41 89 c6 e8 ea 45 bc fc 45 85 ff 0f 84
RSP: 0018:ffffc9000b727ae0 EFLAGS: 00050246
RAX: 0000000000000063 RBX: 0000000000000000 RCX: ffffc9000c2c9000
RDX: 0000000000080000 RSI: ffffffff84fee862 RDI: 0000000000000007
RBP: 0000000000000004 R08: 0000000000000007 R09: 0000000000000007
R10: 0000000000000004 R11: 0000000000000000 R12: 0000200000000100
R13: ffffc9000b727ca0 R14: 0000000000000004 R15: 0000000000000000
strncpy_from_sockptr+0x15f/0x1a0 include/linux/sockptr.h:161
do_tcp_setsockopt+0x4e1/0x2640 net/ipv4/tcp.c:3760
tcp_setsockopt+0xe2/0x100 net/ipv4/tcp.c:4093
do_sock_setsockopt+0x221/0x470 net/socket.c:2296
__sys_setsockopt+0x1a0/0x230 net/socket.c:2321
__do_sys_setsockopt net/socket.c:2327 [inline]
__se_sys_setsockopt net/socket.c:2324 [inline]
__x64_sys_setsockopt+0xbd/0x160 net/socket.c:2324
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4b21f8d169
RSP: 002b:00007f4b22dba038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007f4b221a5fa0 RCX: 00007f4b21f8d169
RDX: 000000000000000d RSI: 0000000000000006 RDI: 0000000000000004
RBP: 00007f4b2200e2a0 R08: 0000000000000004 R09: 0000000000000000
R10: 0000200000000100 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4b221a5fa0 R15: 00007fffb5ba4d48
INFO: task syz.1.618:8211 blocked for more than 144 seconds.
Not tainted 6.14.0-syzkaller-11270-g08733088b566 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.618 state:D stack:27032 pid:8211 tgid:8180 ppid:5817 task_flags:0x440140 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x116f/0x5de0 kernel/sched/core.c:6767
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6860
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6917
rwsem_down_read_slowpath+0x62f/0xb60 kernel/locking/rwsem.c:1084
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0xef/0x480 kernel/locking/rwsem.c:1526
filemap_invalidate_lock_shared include/linux/fs.h:922 [inline]
page_cache_ra_order+0x322/0xd00 mm/readahead.c:491
do_sync_mmap_readahead mm/filemap.c:3273 [inline]
filemap_fault+0x147d/0x2850 mm/filemap.c:3414
__do_fault+0x10a/0x490 mm/memory.c:4991
do_read_fault mm/memory.c:5411 [inline]
do_fault mm/memory.c:5545 [inline]
do_pte_missing+0xed5/0x3ea0 mm/memory.c:4056
handle_pte_fault mm/memory.c:5890 [inline]
__handle_mm_fault+0x1043/0x2a50 mm/memory.c:6033
handle_mm_fault+0x404/0xae0 mm/memory.c:6202
do_user_addr_fault+0x7a9/0x1430 arch/x86/mm/fault.c:1388
handle_page_fault arch/x86/mm/fault.c:1480 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1538
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:rep_movs_alternative+0x30/0x70 arch/x86/lib/copy_user_64.S:60
Code: 83 f9 08 73 25 85 c9 74 0f 8a 06 88 07 48 ff c7 48 ff c6 48 ff c9 75 f1 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 <48> 8b 06 48 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 db 83 f9 08
RSP: 0018:ffffc9000bd6faf8 EFLAGS: 00050206
RAX: 0000000000000001 RBX: 0000200000000440 RCX: 0000000000000038
RDX: fffff520017adf70 RSI: 0000200000000440 RDI: ffffc9000bd6fb48
RBP: 0000000000000038 R08: 0000000000000001 R09: fffff520017adf6f
R10: ffffc9000bd6fb7f R11: 0000000000000000 R12: 0000000000000000
R13: ffffc9000bd6fb48 R14: ffffc9000bd6fc40 R15: ffffc9000bd6fb48
copy_user_generic arch/x86/include/asm/uaccess_64.h:126 [inline]
raw_copy_from_user arch/x86/include/asm/uaccess_64.h:141 [inline]
_inline_copy_from_user include/linux/uaccess.h:178 [inline]
_copy_from_user+0x98/0xd0 lib/usercopy.c:18
copy_from_user include/linux/uaccess.h:212 [inline]
copy_msghdr_from_user+0x98/0x160 net/socket.c:2496
sendmsg_copy_msghdr net/socket.c:2597 [inline]
___sys_sendmsg+0xfe/0x1d0 net/socket.c:2616
__sys_sendmsg+0x16d/0x220 net/socket.c:2652
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4b21f8d169
RSP: 002b:00007f4b22d99038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f4b221a6080 RCX: 00007f4b21f8d169
RDX: 0000000000000000 RSI: 0000200000000440 RDI: 0000000000000006
RBP: 00007f4b2200e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4b221a6080 R15: 00007fffb5ba4d48
INFO: task syz.1.618:8220 blocked for more than 145 seconds.
Not tainted 6.14.0-syzkaller-11270-g08733088b566 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.618 state:D stack:28056 pid:8220 tgid:8180 ppid:5817 task_flags:0x440140 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x116f/0x5de0 kernel/sched/core.c:6767
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6860
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6917
rwsem_down_read_slowpath+0x62f/0xb60 kernel/locking/rwsem.c:1084
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0xef/0x480 kernel/locking/rwsem.c:1526
filemap_invalidate_lock_shared include/linux/fs.h:922 [inline]
page_cache_ra_order+0x322/0xd00 mm/readahead.c:491
do_sync_mmap_readahead mm/filemap.c:3273 [inline]
filemap_fault+0x147d/0x2850 mm/filemap.c:3414
__do_fault+0x10a/0x490 mm/memory.c:4991
do_read_fault mm/memory.c:5411 [inline]
do_fault mm/memory.c:5545 [inline]
do_pte_missing+0xed5/0x3ea0 mm/memory.c:4056
handle_pte_fault mm/memory.c:5890 [inline]
__handle_mm_fault+0x1043/0x2a50 mm/memory.c:6033
handle_mm_fault+0x404/0xae0 mm/memory.c:6202
do_user_addr_fault+0x7a9/0x1430 arch/x86/mm/fault.c:1388
handle_page_fault arch/x86/mm/fault.c:1480 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1538
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:rep_movs_alternative+0x30/0x70 arch/x86/lib/copy_user_64.S:60
Code: 83 f9 08 73 25 85 c9 74 0f 8a 06 88 07 48 ff c7 48 ff c6 48 ff c9 75 f1 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 <48> 8b 06 48 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 db 83 f9 08
RSP: 0018:ffffc9000bde7b88 EFLAGS: 00050206
RAX: 0000000000000001 RBX: 0000200000000340 RCX: 0000000000000038
RDX: fffff520017bcf82 RSI: 0000200000000340 RDI: ffffc9000bde7bd8
RBP: 0000000000000038 R08: 0000000000000001 R09: fffff520017bcf81
R10: ffffc9000bde7c0f R11: 0000000000000000 R12: 0000000000000000
R13: ffffc9000bde7bd8 R14: ffffc9000bde7cc0 R15: ffffc9000bde7bd8
copy_user_generic arch/x86/include/asm/uaccess_64.h:126 [inline]
raw_copy_from_user arch/x86/include/asm/uaccess_64.h:141 [inline]
_inline_copy_from_user include/linux/uaccess.h:178 [inline]
_copy_from_user+0x98/0xd0 lib/usercopy.c:18
copy_from_user include/linux/uaccess.h:212 [inline]
copy_msghdr_from_user+0x98/0x160 net/socket.c:2496
recvmsg_copy_msghdr net/socket.c:2752 [inline]
___sys_recvmsg+0xdb/0x1a0 net/socket.c:2824
__sys_recvmsg+0x16a/0x220 net/socket.c:2861
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4b21f8d169
RSP: 002b:00007f4b22d78038 EFLAGS: 00000246 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 00007f4b221a6160 RCX: 00007f4b21f8d169
RDX: 0000000000000000 RSI: 0000200000000340 RDI: 0000000000000007
RBP: 00007f4b2200e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4b221a6160 R15: 00007fffb5ba4d48
INFO: task syz.1.618:8222 blocked for more than 145 seconds.
Not tainted 6.14.0-syzkaller-11270-g08733088b566 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.618 state:D stack:27816 pid:8222 tgid:8180 ppid:5817 task_flags:0x440040 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x116f/0x5de0 kernel/sched/core.c:6767
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6860
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6917
rwsem_down_read_slowpath+0x62f/0xb60 kernel/locking/rwsem.c:1084
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0xef/0x480 kernel/locking/rwsem.c:1526
filemap_invalidate_lock_shared include/linux/fs.h:922 [inline]
page_cache_ra_order+0x322/0xd00 mm/readahead.c:491
do_sync_mmap_readahead mm/filemap.c:3273 [inline]
filemap_fault+0x147d/0x2850 mm/filemap.c:3414
__do_fault+0x10a/0x490 mm/memory.c:4991
do_read_fault mm/memory.c:5411 [inline]
do_fault mm/memory.c:5545 [inline]
do_pte_missing+0xed5/0x3ea0 mm/memory.c:4056
handle_pte_fault mm/memory.c:5890 [inline]
__handle_mm_fault+0x1043/0x2a50 mm/memory.c:6033
handle_mm_fault+0x404/0xae0 mm/memory.c:6202
do_user_addr_fault+0x7a9/0x1430 arch/x86/mm/fault.c:1388
handle_page_fault arch/x86/mm/fault.c:1480 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1538
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:rep_movs_alternative+0x30/0x70 arch/x86/lib/copy_user_64.S:60
Code: 83 f9 08 73 25 85 c9 74 0f 8a 06 88 07 48 ff c7 48 ff c6 48 ff c9 75 f1 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 <48> 8b 06 48 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 db 83 f9 08
RSP: 0018:ffffc9000b33faf8 EFLAGS: 00050206
RAX: 0000000000000001 RBX: 0000200000000100 RCX: 0000000000000038
RDX: fffff52001667f70 RSI: 0000200000000100 RDI: ffffc9000b33fb48
RBP: 0000000000000038 R08: 0000000000000001 R09: fffff52001667f6f
R10: ffffc9000b33fb7f R11: 0000000000000000 R12: 0000000000000000
R13: ffffc9000b33fb48 R14: ffffc9000b33fc40 R15: ffffc9000b33fb48
copy_user_generic arch/x86/include/asm/uaccess_64.h:126 [inline]
raw_copy_from_user arch/x86/include/asm/uaccess_64.h:141 [inline]
_inline_copy_from_user include/linux/uaccess.h:178 [inline]
_copy_from_user+0x98/0xd0 lib/usercopy.c:18
copy_from_user include/linux/uaccess.h:212 [inline]
copy_msghdr_from_user+0x98/0x160 net/socket.c:2496
sendmsg_copy_msghdr net/socket.c:2597 [inline]
___sys_sendmsg+0xfe/0x1d0 net/socket.c:2616
__sys_sendmsg+0x16d/0x220 net/socket.c:2652
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4b21f8d169
RSP: 002b:00007f4b22d57038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f4b221a6240 RCX: 00007f4b21f8d169
RDX: 0000000000000000 RSI: 0000200000000100 RDI: 0000000000000007
RBP: 00007f4b2200e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4b221a6240 R15: 00007fffb5ba4d48
INFO: task syz.1.618:8225 blocked for more than 146 seconds.
Not tainted 6.14.0-syzkaller-11270-g08733088b566 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.618 state:D stack:28056 pid:8225 tgid:8180 ppid:5817 task_flags:0x440040 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x116f/0x5de0 kernel/sched/core.c:6767
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6860
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6917
rwsem_down_read_slowpath+0x62f/0xb60 kernel/locking/rwsem.c:1084
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0xef/0x480 kernel/locking/rwsem.c:1526
filemap_invalidate_lock_shared include/linux/fs.h:922 [inline]
page_cache_ra_order+0x322/0xd00 mm/readahead.c:491
do_sync_mmap_readahead mm/filemap.c:3273 [inline]
filemap_fault+0x147d/0x2850 mm/filemap.c:3414
__do_fault+0x10a/0x490 mm/memory.c:4991
do_read_fault mm/memory.c:5411 [inline]
do_fault mm/memory.c:5545 [inline]
do_pte_missing+0xed5/0x3ea0 mm/memory.c:4056
handle_pte_fault mm/memory.c:5890 [inline]
__handle_mm_fault+0x1043/0x2a50 mm/memory.c:6033
handle_mm_fault+0x404/0xae0 mm/memory.c:6202
do_user_addr_fault+0x7a9/0x1430 arch/x86/mm/fault.c:1388
handle_page_fault arch/x86/mm/fault.c:1480 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1538
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:rep_movs_alternative+0x30/0x70 arch/x86/lib/copy_user_64.S:60
Code: 83 f9 08 73 25 85 c9 74 0f 8a 06 88 07 48 ff c7 48 ff c6 48 ff c9 75 f1 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 <48> 8b 06 48 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 db 83 f9 08
RSP: 0018:ffffc9000b2f7b88 EFLAGS: 00050206
RAX: 0000000000000001 RBX: 00002000000003c0 RCX: 0000000000000038
RDX: fffff5200165ef82 RSI: 00002000000003c0 RDI: ffffc9000b2f7bd8
RBP: 0000000000000038 R08: 0000000000000001 R09: fffff5200165ef81
R10: ffffc9000b2f7c0f R11: 0000000000000000 R12: 0000000000000000
R13: ffffc9000b2f7bd8 R14: ffffc9000b2f7cc0 R15: ffffc9000b2f7bd8
copy_user_generic arch/x86/include/asm/uaccess_64.h:126 [inline]
raw_copy_from_user arch/x86/include/asm/uaccess_64.h:141 [inline]
_inline_copy_from_user include/linux/uaccess.h:178 [inline]
_copy_from_user+0x98/0xd0 lib/usercopy.c:18
copy_from_user include/linux/uaccess.h:212 [inline]
copy_msghdr_from_user+0x98/0x160 net/socket.c:2496
recvmsg_copy_msghdr net/socket.c:2752 [inline]
___sys_recvmsg+0xdb/0x1a0 net/socket.c:2824
__sys_recvmsg+0x16a/0x220 net/socket.c:2861
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4b21f8d169
RSP: 002b:00007f4b22d36038 EFLAGS: 00000246 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 00007f4b221a6320 RCX: 00007f4b21f8d169
RDX: 0000000000000000 RSI: 00002000000003c0 RDI: 0000000000000006
RBP: 00007f4b2200e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f4b221a6320 R15: 00007fffb5ba4d48
INFO: task syz.1.618:8228 blocked for more than 146 seconds.
Not tainted 6.14.0-syzkaller-11270-g08733088b566 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.618 state:D stack:29080 pid:8228 tgid:8180 ppid:5817 task_flags:0x440040 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x116f/0x5de0 kernel/sched/core.c:6767
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6860
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6917
rwsem_down_read_slowpath+0x62f/0xb60 kernel/locking/rwsem.c:1084
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0xef/0x480 kernel/locking/rwsem.c:1526
filemap_invalidate_lock_shared include/linux/fs.h:922 [inline]
page_cache_ra_order+0x322/0xd00 mm/readahead.c:491
do_sync_mmap_readahead mm/filemap.c:3273 [inline]
filemap_fault+0x147d/0x2850 mm/filemap.c:3414
__do_fault+0x10a/0x490 mm/memory.c:4991
do_read_fault mm/memory.c:5411 [inline]
do_fault mm/memory.c:5545 [inline]
do_pte_missing+0xed5/0x3ea0 mm/memory.c:4056
handle_pte_fault mm/memory.c:5890 [inline]
__handle_mm_fault+0x1043/0x2a50 mm/memory.c:6033
handle_mm_fault+0x404/0xae0 mm/memory.c:6202
do_user_addr_fault+0x609/0x1430 arch/x86/mm/fault.c:1337
handle_page_fault arch/x86/mm/fault.c:1480 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1538
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7f4b21f7123a
RSP: 002b:00007f4b22d14be8 EFLAGS: 00010287
RAX: 00007f4b22d14c10 RBX: 6666666666666667 RCX: 0000000000000000
RDX: 00000000000003ff RSI: 0000200000000080 RDI: 00007f4b22d14c10
RBP: 00007f4b22d14c10 R08: 00000000000003ff R09: 0000000000000000
R10: 0000200000000080 R11: 0000000000000002 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4b221a6400 R15: 00007fffb5ba4d48
INFO: task syz.1.618:8234 blocked for more than 147 seconds.
Not tainted 6.14.0-syzkaller-11270-g08733088b566 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.618 state:D stack:28008 pid:8234 tgid:8180 ppid:5817 task_flags:0x440040 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x116f/0x5de0 kernel/sched/core.c:6767
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6860
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6917
rwsem_down_read_slowpath+0x62f/0xb60 kernel/locking/rwsem.c:1084
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0xef/0x480 kernel/locking/rwsem.c:1526
filemap_invalidate_lock_shared include/linux/fs.h:922 [inline]
page_cache_ra_order+0x322/0xd00 mm/readahead.c:491
do_sync_mmap_readahead mm/filemap.c:3273 [inline]
filemap_fault+0x147d/0x2850 mm/filemap.c:3414
__do_fault+0x10a/0x490 mm/memory.c:4991
do_read_fault mm/memory.c:5411 [inline]
do_fault mm/memory.c:5545 [inline]
do_pte_missing+0xed5/0x3ea0 mm/memory.c:4056
handle_pte_fault mm/memory.c:5890 [inline]
__handle_mm_fault+0x1043/0x2a50 mm/memory.c:6033
handle_mm_fault+0x404/0xae0 mm/memory.c:6202
do_user_addr_fault+0x609/0x1430 arch/x86/mm/fault.c:1337
handle_page_fault arch/x86/mm/fault.c:1480 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1538
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7f4b21e5e8d9
RSP: 002b:00007f4b1edebf70 EFLAGS: 00010246
RAX: 0000200000000112 RBX: 0000000000000868 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 00007f4b222d0320 RDI: 00007f4b222d13f0
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007f4b222d0b88
R10: 0000000000000868 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000024 R14: 0000200000000100 R15: 00007f4b222d0b88
Showing all locks held in the system:
1 lock held by ksoftirqd/0/15:
1 lock held by khungtaskd/31:
#0: ffffffff8e3bf140 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#0: ffffffff8e3bf140 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#0: ffffffff8e3bf140 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0 kernel/locking/lockdep.c:6764
2 locks held by getty/5577:
#0: ffff88814cb5e0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc9000332e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0xfa1/0x1450 drivers/tty/n_tty.c:2211
2 locks held by syz.2.378/7260:
1 lock held by syz.1.618/8182:
#0: ffff888148c20940 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:922 [inline]
#0: ffff888148c20940 (mapping.invalidate_lock#2){++++}-{4:4}, at: page_cache_ra_order+0x322/0xd00 mm/readahead.c:491
1 lock held by syz.1.618/8211:
#0: ffff888148c20940 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:922 [inline]
#0: ffff888148c20940 (mapping.invalidate_lock#2){++++}-{4:4}, at: page_cache_ra_order+0x322/0xd00 mm/readahead.c:491
1 lock held by syz.1.618/8220:
#0: ffff888148c20940 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:922 [inline]
#0: ffff888148c20940 (mapping.invalidate_lock#2){++++}-{4:4}, at: page_cache_ra_order+0x322/0xd00 mm/readahead.c:491
1 lock held by syz.1.618/8222:
#0: ffff888148c20940 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:922 [inline]
#0: ffff888148c20940 (mapping.invalidate_lock#2){++++}-{4:4}, at: page_cache_ra_order+0x322/0xd00 mm/readahead.c:491
1 lock held by syz.1.618/8225:
#0: ffff888148c20940 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:922 [inline]
#0: ffff888148c20940 (mapping.invalidate_lock#2){++++}-{4:4}, at: page_cache_ra_order+0x322/0xd00 mm/readahead.c:491
1 lock held by syz.1.618/8228:
#0: ffff888148c20940 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:922 [inline]
#0: ffff888148c20940 (mapping.invalidate_lock#2){++++}-{4:4}, at: page_cache_ra_order+0x322/0xd00 mm/readahead.c:491
1 lock held by syz.1.618/8234:
#0: ffff888148c20940 (mapping.invalidate_lock#2){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:922 [inline]
#0: ffff888148c20940 (mapping.invalidate_lock#2){++++}-{4:4}, at: page_cache_ra_order+0x322/0xd00 mm/readahead.c:491
=============================================
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.14.0-syzkaller-11270-g08733088b566 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:158 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:236 [inline]
watchdog+0xf70/0x12c0 kernel/hung_task.c:399
kthread+0x3c2/0x780 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 5805 Comm: syz-executor Not tainted 6.14.0-syzkaller-11270-g08733088b566 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x8/0x20 kernel/kcov.c:314
Code: bf 03 00 00 00 e9 58 fe ff ff 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 0c 24 <89> f2 89 fe bf 05 00 00 00 e9 2a fe ff ff 66 2e 0f 1f 84 00 00 00
RSP: 0018:ffffc9001b49ecd8 EFLAGS: 00000012
RAX: 0000000040000000 RBX: ffff88807a758000 RCX: ffffffff815c1498
RDX: ffff88806f998000 RSI: 0000000000000000 RDI: 0000000000000007
RBP: ffff88806f998000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000080 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88806f998558 R14: 0000000000000000 R15: ffff88806f999880
FS: 000055558c837500(0000) GS:ffff8881249cf000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1ac7d79178 CR3: 0000000035df4000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace: