umount: sysfs bu[ 41.167584][ T28] audit: type=1400 audit(1772991409.735:407): avc: denied { map } for pid=988 comm="syz.5.175" path="socket:[19253]" dev="sockfs" ino=19253 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_route_socket permissive=1 sy - remounted r[ 41.171533][ T285] ---[ end trace 0000000000000000 ]--- ead-only[ 41.230285][ T285] BUG: KASAN: null-ptr-deref in instrument_atomic_read_write include/linux/instrumented.h:102 [inline] ead-only[ 41.230285][ T285] BUG: KASAN: null-ptr-deref in atomic_inc_return include/linux/atomic/atomic-instrumented.h:198 [inline] ead-only[ 41.230285][ T285] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60 fs/inode.c:455 umount: devtmpfs[ 41.272874][ T285] __dump_stack+0x21/0x24 lib/dump_stack.c:88 busy - remounte[ 41.283281][ T285] ? __cfi_dump_stack_lvl+0x8/0x8 lib/dump_stack.c:83 d read-only umo[ 41.294372][ T285] ? instrument_atomic_read_write include/linux/instrumented.h:102 [inline] umo[ 41.294372][ T285] ? atomic_inc_return include/linux/atomic/atomic-instrumented.h:198 [inline] umo[ 41.294372][ T285] ? ihold+0x20/0x60 fs/inode.c:455 unt: can't remou[ 41.303544][ T285] print_report+0x3d/0x60 mm/kasan/report.c:423 nt /dev/root rea[ 41.313752][ T285] ? instrument_atomic_read_write include/linux/instrumented.h:102 [inline] nt /dev/root rea[ 41.313752][ T285] ? atomic_inc_return include/linux/atomic/atomic-instrumented.h:198 [inline] nt /dev/root rea[ 41.313752][ T285] ? ihold+0x20/0x60 fs/inode.c:455 d-only The system is g[ 41.352268][ T285] cleanup_mnt+0x474/0x500 fs/namespace.c:1191 Connection to 10.128.0.224 closed by remote host. Sent SIGTERM to[ 41.441842][ T285] entry_SYSCALL_64_after_hwframe+0x68/0xd2 all processes[ 41.453544][ T285] Code: a2 c7 05 1c ed 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8