RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffec206a05f R14: 00007fbb9aadc300 R15: 0000000000022000
watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor.0:8178]
Modules linked in:
CPU: 1 PID: 8178 Comm: syz-executor.0 Not tainted 5.4.125-syzkaller-00005-g53af79bc8d35 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:check_memory_region_inline mm/kasan/generic.c:175 [inline]
RIP: 0010:check_memory_region+0x1b/0x2e0 mm/kasan/generic.c:191
Code: d3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 41 56 41 55 41 54 53 b0 01 48 85 f6 0f 84 fd 01 00 00 48 89 fb 48 c1 eb 2f <81> fb fe ff 01 00 0f 86 76 02 00 00 49 89 fc 49 c1 ec 03 49 b8 00
RSP: 0018:ffff8881b4d3eee8 EFLAGS: 00000a06 ORIG_RAX: ffffffffffffff13
RAX: 1ffff110369a7e01 RBX: 000000000001ffff RCX: ffffffff817b91d0
RDX: 0000000000000000 RSI: 0000000000000010 RDI: ffff8881b4d3f020
RBP: ffff8881b4d3f0d0 R08: ffffffff817b91a4 R09: ffffed103dd54e18
R10: ffffed103dd54e18 R11: 0000000000000000 R12: ffffffff817b91d0
R13: 0000000000000010 R14: ffff8881b4d3f020 R15: ffff8881ea745378
FS:  00007fbb9aadc700(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002014b1ff CR3: 00000001879d8000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 memcpy+0x25/0x50 mm/kasan/common.c:123
 memcpy_common kernel/events/internal.h:173 [inline]
 __output_copy kernel/events/internal.h:177 [inline]
 perf_output_read_group kernel/events/core.c:6347 [inline]
 perf_output_read+0x1150/0x1480 kernel/events/core.c:6380
 perf_output_sample+0x357/0x1e30 kernel/events/core.c:6422
 __perf_event_output kernel/events/core.c:6749 [inline]
 perf_event_output_forward+0x140/0x1b0 kernel/events/core.c:6763
 __perf_event_overflow+0x1b9/0x340 kernel/events/core.c:8237
 do_perf_sw_event kernel/events/core.c:8454 [inline]
 ___perf_sw_event+0x3cc/0x4c0 kernel/events/core.c:8485
 __perf_sw_event+0x12e/0x220 kernel/events/core.c:8497
 page_fault+0x2f/0x40 arch/x86/entry/entry_64.S:1203
RIP: 0010:fault_in_pages_readable include/linux/pagemap.h:603 [inline]
RIP: 0010:iov_iter_fault_in_readable+0x250/0x640 lib/iov_iter.c:426
Code: bb 49 81 c4 00 10 00 00 4d 31 fc bf 00 10 00 00 4c 89 e6 e8 b2 e9 3e ff 49 81 fc 00 10 00 00 73 47 0f 1f 00 0f ae e8 45 31 ed <41> 8a 1f 0f 1f 00 48 b8 00 00 00 00 00 fc ff df 41 8a 04 06 84 c0
RSP: 0018:ffff8881b4d3f880 EFLAGS: 00010246
RAX: 0000000000000002 RBX: 000000002014b200 RCX: 0000000000000002
RDX: ffff8881cbbf1f80 RSI: 00000000000003ff RDI: 0000000000001000
RBP: ffff8881b4d3f930 R08: ffffffff82266e5e R09: ffffed103b8752df
R10: ffffed103b8752df R11: 0000000000000000 R12: 00000000000003ff
R13: 0000000000000000 R14: 1ffff110369a7f1a R15: 000000002014b1ff
 generic_perform_write+0x1ee/0x5a0 mm/filemap.c:3301
 __generic_file_write_iter+0x239/0x480 mm/filemap.c:3440
 ext4_file_write_iter+0x49e/0x10e0 fs/ext4/file.c:270
 call_write_iter include/linux/fs.h:1976 [inline]
 new_sync_write fs/read_write.c:483 [inline]
 __vfs_write+0x5ec/0x780 fs/read_write.c:496
 vfs_write+0x212/0x4e0 fs/read_write.c:558
 ksys_write+0x186/0x2b0 fs/read_write.c:611
 do_syscall_64+0xcb/0x1e0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x4665e9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbb9aadc188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9
RDX: 0000000000806013 RSI: 0000000020000200 RDI: 0000000000000005
RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffec206a05f R14: 00007fbb9aadc300 R15: 0000000000022000
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:60 [inline]
NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:103 [inline]
NMI backtrace for cpu 0 skipped: idling at default_idle+0x1f/0x30 arch/x86/kernel/process.c:572