INFO: task syz-executor112:5067 blocked for more than 143 seconds.
      Not tainted 6.7.0-rc6-next-20231222-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor112 state:D stack:28120 pid:5067  tgid:5067  ppid:5064   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0xf15/0x5c80 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0xe7/0x270 kernel/sched/core.c:6817
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
 rwsem_down_write_slowpath kernel/locking/rwsem.c:1178 [inline]
 __down_write_common+0x94c/0x13f0 kernel/locking/rwsem.c:1306
 filemap_invalidate_lock include/linux/fs.h:847 [inline]
 blkdev_fallocate+0x1e9/0x450 block/fops.c:800
 vfs_fallocate+0x4b4/0xf70 fs/open.c:328
 ksys_fallocate fs/open.c:351 [inline]
 __do_sys_fallocate fs/open.c:359 [inline]
 __se_sys_fallocate fs/open.c:357 [inline]
 __x64_sys_fallocate+0xd5/0x140 fs/open.c:357
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x62/0x6a
RIP: 0033:0x7f9035ae2b29
RSP: 002b:00007ffff69f6728 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9035ae2b29
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004
RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0
R10: 7fffffffffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffff69f6948 R14: 00007ffff69f6750 R15: 00007ffff69f6740
 </TASK>
INFO: task syz-executor112:5065 blocked for more than 143 seconds.
      Not tainted 6.7.0-rc6-next-20231222-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor112 state:D stack:28848 pid:5065  tgid:5065  ppid:5062   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0xf15/0x5c80 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0xe7/0x270 kernel/sched/core.c:6817
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
 rwsem_down_write_slowpath kernel/locking/rwsem.c:1178 [inline]
 __down_write_common+0x94c/0x13f0 kernel/locking/rwsem.c:1306
 filemap_invalidate_lock include/linux/fs.h:847 [inline]
 blkdev_fallocate+0x1e9/0x450 block/fops.c:800
 vfs_fallocate+0x4b4/0xf70 fs/open.c:328
 ksys_fallocate fs/open.c:351 [inline]
 __do_sys_fallocate fs/open.c:359 [inline]
 __se_sys_fallocate fs/open.c:357 [inline]
 __x64_sys_fallocate+0xd5/0x140 fs/open.c:357
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x62/0x6a
RIP: 0033:0x7f9035ae2b29
RSP: 002b:00007ffff69f6728 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9035ae2b29
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004
RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0
R10: 7fffffffffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffff69f6948 R14: 00007ffff69f6750 R15: 00007ffff69f6740
 </TASK>
INFO: task syz-executor112:5068 blocked for more than 143 seconds.
      Not tainted 6.7.0-rc6-next-20231222-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor112 state:D stack:28544 pid:5068  tgid:5068  ppid:5066   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0xf15/0x5c80 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0xe7/0x270 kernel/sched/core.c:6817
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
 rwsem_down_write_slowpath kernel/locking/rwsem.c:1178 [inline]
 __down_write_common+0x94c/0x13f0 kernel/locking/rwsem.c:1306
 filemap_invalidate_lock include/linux/fs.h:847 [inline]
 blkdev_fallocate+0x1e9/0x450 block/fops.c:800
 vfs_fallocate+0x4b4/0xf70 fs/open.c:328
 ksys_fallocate fs/open.c:351 [inline]
 __do_sys_fallocate fs/open.c:359 [inline]
 __se_sys_fallocate fs/open.c:357 [inline]
 __x64_sys_fallocate+0xd5/0x140 fs/open.c:357
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x62/0x6a
RIP: 0033:0x7f9035ae2b29
RSP: 002b:00007ffff69f6728 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9035ae2b29
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004
RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0
R10: 7fffffffffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffff69f6948 R14: 00007ffff69f6750 R15: 00007ffff69f6740
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.7.0-rc6-next-20231222-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x277/0x390 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x299/0x300 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
 watchdog+0xf86/0x1210 kernel/hung_task.c:379
 kthread+0x2c1/0x3a0 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4500 Comm: klogd Not tainted 6.7.0-rc6-next-20231222-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:__sanitizer_cov_trace_pc+0x58/0x60 kernel/kcov.c:225
Code: 82 d8 15 00 00 83 f8 02 75 20 48 8b 8a e0 15 00 00 8b 92 dc 15 00 00 48 8b 01 48 83 c0 01 48 39 d0 73 07 48 89 01 48 89 34 c1 <c3> 0f 1f 80 00 00 00 00 f3 0f 1e fa 41 57 41 56 49 89 d6 41 55 41
RSP: 0018:ffffc9000319f788 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000064c678c0 RCX: ffffffff813b8b2c
RDX: ffff88807ce81dc0 RSI: ffffffff813b8b36 RDI: 0000000000000007
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff8ace32a0 R12: 0000000000000000
R13: ffffffff81df780c R14: ffff888017ef2640 R15: ffff888064c679e0
FS:  00007f433f0b4380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000561329f42680 CR3: 000000002029d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 __phys_addr+0xc6/0x140 arch/x86/mm/physaddr.c:31
 virt_to_folio include/linux/mm.h:1292 [inline]
 virt_to_slab mm/slab.h:204 [inline]
 ___cache_free+0x24/0xf0 mm/slub.c:4323
 qlink_free mm/kasan/quarantine.c:178 [inline]
 qlist_free_all+0xc1/0x1e0 mm/kasan/quarantine.c:194
 kasan_quarantine_reduce+0x18e/0x1d0 mm/kasan/quarantine.c:301
 __kasan_kmalloc+0x86/0xb0 mm/kasan/common.c:348
 kasan_kmalloc include/linux/kasan.h:210 [inline]
 __do_kmalloc_node mm/slub.c:3985 [inline]
 __kmalloc_node_track_caller+0x220/0x470 mm/slub.c:4005
 kmalloc_reserve+0xef/0x260 net/core/skbuff.c:582
 __alloc_skb+0x12b/0x330 net/core/skbuff.c:651
 alloc_skb include/linux/skbuff.h:1298 [inline]
 alloc_skb_with_frags+0xe4/0x710 net/core/skbuff.c:6369
 sock_alloc_send_pskb+0x7e1/0x970 net/core/sock.c:2776
 unix_dgram_sendmsg+0x464/0x1ca0 net/unix/af_unix.c:1974
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0xd5/0x180 net/socket.c:745
 __sys_sendto+0x225/0x310 net/socket.c:2189
 __do_sys_sendto net/socket.c:2201 [inline]
 __se_sys_sendto net/socket.c:2197 [inline]
 __x64_sys_sendto+0xe0/0x1b0 net/socket.c:2197
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x62/0x6a
RIP: 0033:0x7f433f2169b5
Code: 8b 44 24 08 48 83 c4 28 48 98 c3 48 98 c3 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 26 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 7a 48 8b 15 44 c4 0c 00 f7 d8 64 89 02 48 83
RSP: 002b:00007fff40460618 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f433f2169b5
RDX: 000000000000004c RSI: 000055f9b3a7bcc0 RDI: 0000000000000003
RBP: 000055f9b3a77910 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000013
R13: 00007f433f3a4212 R14: 00007fff40460718 R15: 0000000000000000
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.640 msecs