------------[ cut here ]------------
WARNING: CPU: 0 PID: 7892 at net/ipv4/ipmr.c:440 ipmr_rules_exit+0x13a/0x1c0
Modules linked in:
CPU: 0 UID: 0 PID: 7892 Comm: syz-executor.7 Not tainted 6.13.0-rc1-next-20241206 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:ipmr_rules_exit+0x13a/0x1c0
Code: ff df 48 c1 ea 03 80 3c 02 00 75 7d 48 c7 83 00 08 00 00 00 00 00 00 5b 5d 41 5c 41 5d 41 5e e9 0c 44 a3 00 e8 f7 cd 6d fd 90 <0f> 0b 90 eb 93 e8 ec cd 6d fd 0f b6 2d 99 e7 38 02 31 ff 89 ee e8
RSP: 0018:ffff88803e607c20 EFLAGS: 00010212
RAX: 0000000000017c08 RBX: ffff888019bcdc00 RCX: ffffc90008063000
RDX: 0000000000040000 RSI: ffffffff840412d9 RDI: 0000000000000005
RBP: ffff88803dd30000 R08: 0000000000000000 R09: ffffed1003379ba8
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
R13: ffff888019bce400 R14: ffff888019bcdc00 R15: fffffbfff0c50f58
FS: 00007f732f0f9700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f71b5c9f0f0 CR3: 0000000027f1c000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
ipmr_net_exit_batch+0x53/0xa0
ops_exit_list+0x12b/0x180
setup_net+0x492/0x7a0
copy_net_ns+0x2e3/0x6f0
create_new_namespaces+0x3f6/0xaf0
unshare_nsproxy_namespaces+0xc0/0x200
ksys_unshare+0x46a/0xa10
__x64_sys_unshare+0x31/0x40
do_syscall_64+0xbf/0x1d0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7331ba4b19
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:00007f732f0f9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007f7331cb8020 RCX: 00007f7331ba4b19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000048040080
RBP: 00007f7331bfef6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff85972f3f R14: 00007f732f0f9300 R15: 0000000000022000
irq event stamp: 6709
hardirqs last enabled at (6719): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (6730): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (6670): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (6665): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
netlink: 'syz-executor.3': attribute type 7 has an invalid length.
netlink: 'syz-executor.3': attribute type 7 has an invalid length.
loop4: detected capacity change from 0 to 40
Process accounting resumed
loop4: detected capacity change from 0 to 40
Process accounting resumed
loop0: detected capacity change from 0 to 40
loop4: detected capacity change from 0 to 40
Process accounting resumed
Process accounting resumed
loop0: detected capacity change from 0 to 40
loop4: detected capacity change from 0 to 40
Process accounting resumed
Process accounting resumed
loop0: detected capacity change from 0 to 40
Process accounting resumed
loop1: detected capacity change from 0 to 40
loop7: detected capacity change from 0 to 40
Process accounting resumed
loop2: detected capacity change from 0 to 40
loop4: detected capacity change from 0 to 40
Process accounting resumed
Process accounting resumed
Process accounting resumed
loop1: detected capacity change from 0 to 40
loop2: detected capacity change from 0 to 40
Process accounting resumed
Process accounting resumed
loop7: detected capacity change from 0 to 40
loop4: detected capacity change from 0 to 40
Process accounting resumed
Process accounting resumed
loop4: detected capacity change from 0 to 40
loop2: detected capacity change from 0 to 40
Process accounting resumed
loop7: detected capacity change from 0 to 40
loop1: detected capacity change from 0 to 40
Process accounting resumed
Process accounting resumed
Process accounting resumed
ieee802154 phy0 wpan0: encryption failed: -22
ieee802154 phy0 wpan0: encryption failed: -22
ieee802154 phy0 wpan0: encryption failed: -22
audit: type=1326 audit(1733526716.159:13): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=8064 comm="syz-executor.5" exe="/syz-executor.5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f099cb4db19 code=0x0
ieee802154 phy0 wpan0: encryption failed: -22
ieee802154 phy0 wpan0: encryption failed: -22
audit: type=1326 audit(1733526716.986:14): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=8064 comm="syz-executor.5" exe="/syz-executor.5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f099cb4db19 code=0x0
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.7'.
loop0: detected capacity change from 0 to 512
EXT4-fs (loop0): mounting ext2 file system using the ext4 subsystem
EXT4-fs (loop0): bad geometry: first data block 128 is beyond end of filesystem (128)
loop0: detected capacity change from 0 to 512
EXT4-fs (loop0): mounting ext2 file system using the ext4 subsystem
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
EXT4-fs (loop0): bad geometry: first data block 128 is beyond end of filesystem (128)
audit: type=1326 audit(1733526717.228:15): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=8113 comm="syz-executor.5" exe="/syz-executor.5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f099cb4db19 code=0x0
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.7'.
loop0: detected capacity change from 0 to 512
EXT4-fs (loop0): mounting ext2 file system using the ext4 subsystem
EXT4-fs (loop0): bad geometry: first data block 128 is beyond end of filesystem (128)
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
loop0: detected capacity change from 0 to 512
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.7'.
EXT4-fs (loop0): mounting ext2 file system using the ext4 subsystem
EXT4-fs (loop0): bad geometry: first data block 128 is beyond end of filesystem (128)
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
audit: type=1326 audit(1733526718.270:16): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=8136 comm="syz-executor.5" exe="/syz-executor.5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f099cb4db19 code=0x0
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.7'.
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
loop0: detected capacity change from 0 to 512
audit: type=1326 audit(1733526719.369:17): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=8153 comm="syz-executor.5" exe="/syz-executor.5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f099cb4db19 code=0x0
EXT4-fs (loop0): mounting ext2 file system using the ext4 subsystem
EXT4-fs (loop0): bad geometry: first data block 128 is beyond end of filesystem (128)
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
Bluetooth: MGMT ver 1.23
audit: type=1400 audit(1733526721.951:18): avc: denied { watch_reads } for pid=8264 comm="syz-executor.4" path="/syzkaller-testdir248649582/syzkaller.nju3t8/153" dev="sda" ino=16019 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=dir permissive=1
loop5: detected capacity change from 0 to 1024
EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
loop5: detected capacity change from 0 to 1024
EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.