8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 619.888307][ T8818] Call Trace:
[ 619.888330][ T8818]
[ 619.888354][ T8818] dump_stack_lvl+0xe8/0x150
[ 619.888457][ T8818] should_fail_ex+0x410/0x560
[ 619.888541][ T8818] should_failslab+0xa8/0x100
[ 619.888617][ T8818] __kmalloc_cache_noprof+0xa3/0x600
[ 619.888689][ T8818] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 619.888806][ T8818] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 619.888933][ T8818] batadv_neigh_ifinfo_new+0x95/0x300
[ 619.889037][ T8818] batadv_iv_ogm_process_per_outif+0x1819/0x2790
[ 619.889165][ T8818] ? batadv_iv_ogm_process_per_outif+0x101a/0x2790
[ 619.889274][ T8818] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 619.889368][ T8818] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 619.889474][ T8818] ? batadv_iv_ogm_orig_get+0x31/0x5c0
[ 619.889557][ T8818] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 619.889654][ T8818] batadv_iv_ogm_receive+0xc13/0x1740
[ 619.889789][ T8818] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 619.889909][ T8818] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 619.890002][ T8818] ? rcu_is_watching+0x16/0xb0
[ 619.890069][ T8818] ? __alloc_skb+0x27a/0x7a0
[ 619.890140][ T8818] ? trace_kmem_cache_alloc+0x29/0xe0
[ 619.890247][ T8818] batadv_batman_skb_recv+0x4b6/0x870
[ 619.890330][ T8818] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 619.890406][ T8818] ? netif_receive_skb+0x102/0xbf0
[ 619.890491][ T8818] ? netif_receive_skb+0x102/0xbf0
[ 619.890583][ T8818] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 619.890679][ T8818] netif_receive_skb+0x4af/0xbf0
[ 619.890786][ T8818] ? __pfx_netif_receive_skb+0x10/0x10
[ 619.890910][ T8818] ? tun_rx_batched+0x185/0x790
[ 619.890981][ T8818] tun_rx_batched+0x1de/0x790
[ 619.891009][ T8818] ? __pfx_tun_rx_batched+0x10/0x10
[ 619.891033][ T8818] ? lock_acquire+0x115/0x350
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 619.891062][ T8818] ? tun_get_user+0x23ba/0x44d0
[ 619.891083][ T8818] ? __local_bh_enable_ip+0xd6/0x140
[ 619.891111][ T8818] ? tun_get_user+0x27b0/0x44d0
[ 619.891135][ T8818] tun_get_user+0x2be0/0x44d0
[ 619.891190][ T8818] ? tun_get_user+0x27b0/0x44d0
[ 619.891313][ T8818] ? aa_file_perm+0x4ed/0x15f0
[ 619.891405][ T8818] ? __pfx_tun_get_user+0x10/0x10
[ 619.891478][ T8818] ? __lock_acquire+0x747/0x2de0
[ 619.891542][ T8818] ? kstrtoull+0x137/0x1d0
executing program
[ 619.891651][ T8818] ? ref_tracker_alloc+0x341/0x4b0
[ 619.891733][ T8818] ? lock_acquire+0x115/0x350
[ 619.891796][ T8818] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 619.891877][ T8818] ? lock_acquire+0x115/0x350
[ 619.891933][ T8818] ? tun_get+0x1c/0x2f0
[ 619.892014][ T8818] ? tun_get+0x1c/0x2f0
[ 619.892069][ T8818] ? tun_get+0x1c/0x2f0
[ 619.892143][ T8818] tun_chr_write_iter+0x113/0x200
[ 619.892222][ T8818] vfs_write+0x612/0xba0
[ 619.892336][ T8818] ? __pfx_vfs_write+0x10/0x10
[ 619.892452][ T8818] ? do_sys_openat2+0x14e/0x200
[ 619.892551][ T8818] ksys_write+0x150/0x270
[ 619.892645][ T8818] ? __pfx_ksys_write+0x10/0x10
[ 619.892782][ T8818] __do_fast_syscall_32+0x27a/0x6a0
[ 619.892870][ T8818] ? do_fast_syscall_32+0x33/0x70
[ 619.892941][ T8818] ? irqentry_exit+0x10f/0x910
[ 619.892995][ T8818] ? trace_irq_disable+0x3b/0x140
[ 619.893068][ T8818] do_fast_syscall_32+0x33/0x70
[ 619.893140][ T8818] entry_SYSENTER_compat_after_hwframe+0x84/0x8e
[ 619.893207][ T8818] RIP: 0023:0xf7dbf0ec
[ 619.893295][ T8818] Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8
[ 619.893346][ T8818] RSP: 002b:00000000f7f8fcec EFLAGS: 00000206 ORIG_RAX: 0000000000000004
[ 619.893410][ T8818] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000800
[ 619.893452][ T8818] RDX: 0000000000000026 RSI: 00000000f7e3c24d RDI: 0000000000000006
[ 619.893496][ T8818] RBP: 00000000000000b5 R08: 0000000000000000 R09: 0000000000000000
[ 619.893536][ T8818] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[ 619.893570][ T8818] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 619.893656][ T8818]
[ 619.919295][ T8818] batman_adv: batadv0: Interface deactivated: syzkaller0
[ 620.014053][ T8818] batman_adv: batadv0: Removing interface: syzkaller0
[ 620.180740][ T8819] batman_adv: batadv0: Adding interface: syzkaller0
[ 620.180799][ T8819] batman_adv: batadv0: The MTU of interface syzkaller0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 620.180880][ T8819] batman_adv: batadv0: Interface activated: syzkaller0
[ 620.186714][ T8819] FAULT_INJECTION: forcing a failure.
[ 620.186714][ T8819] name failslab, interval 1, probability 0, space 0, times 0
[ 620.186745][ T8819] CPU: 1 UID: 0 PID: 8819 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 620.186767][ T8819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 620.186779][ T8819] Call Trace:
[ 620.186787][ T8819]
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 620.186796][ T8819] dump_stack_lvl+0xe8/0x150
[ 620.186893][ T8819] should_fail_ex+0x410/0x560
[ 620.186977][ T8819] should_failslab+0xa8/0x100
[ 620.187054][ T8819] __kmalloc_cache_noprof+0xa3/0x600
[ 620.187117][ T8819] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 620.187248][ T8819] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 620.187355][ T8819] batadv_neigh_ifinfo_new+0x95/0x300
[ 620.187475][ T8819] batadv_iv_ogm_process_per_outif+0x1819/0x2790
executing program
[ 620.187624][ T8819] ? batadv_iv_ogm_process_per_outif+0x101a/0x2790
[ 620.187734][ T8819] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 620.187831][ T8819] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 620.187936][ T8819] ? batadv_iv_ogm_orig_get+0x31/0x5c0
[ 620.188019][ T8819] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 620.188116][ T8819] batadv_iv_ogm_receive+0xc13/0x1740
[ 620.188243][ T8819] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 620.188370][ T8819] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 620.188465][ T8819] ? rcu_is_watching+0x16/0xb0
[ 620.188532][ T8819] ? __alloc_skb+0x27a/0x7a0
[ 620.188597][ T8819] ? trace_kmem_cache_alloc+0x29/0xe0
[ 620.188703][ T8819] batadv_batman_skb_recv+0x4b6/0x870
[ 620.188776][ T8819] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 620.188852][ T8819] ? netif_receive_skb+0x102/0xbf0
[ 620.188945][ T8819] ? netif_receive_skb+0x102/0xbf0
[ 620.189050][ T8819] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 620.189123][ T8819] netif_receive_skb+0x4af/0xbf0
[ 620.189228][ T8819] ? __pfx_netif_receive_skb+0x10/0x10
[ 620.189334][ T8819] ? tun_rx_batched+0x185/0x790
[ 620.189408][ T8819] tun_rx_batched+0x1de/0x790
[ 620.189484][ T8819] ? __pfx_tun_rx_batched+0x10/0x10
[ 620.189548][ T8819] ? lock_acquire+0x115/0x350
[ 620.189633][ T8819] ? tun_get_user+0x23ba/0x44d0
[ 620.189696][ T8819] ? __local_bh_enable_ip+0xd6/0x140
[ 620.189768][ T8819] ? tun_get_user+0x27b0/0x44d0
[ 620.189841][ T8819] tun_get_user+0x2be0/0x44d0
[ 620.189946][ T8819] ? tun_get_user+0x27b0/0x44d0
[ 620.190024][ T8819] ? aa_file_perm+0x4ed/0x15f0
[ 620.190099][ T8819] ? __pfx_tun_get_user+0x10/0x10
[ 620.190165][ T8819] ? __lock_acquire+0x747/0x2de0
[ 620.190248][ T8819] ? kstrtoull+0x137/0x1d0
[ 620.190354][ T8819] ? ref_tracker_alloc+0x341/0x4b0
[ 620.190440][ T8819] ? lock_acquire+0x115/0x350
[ 620.190510][ T8819] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 620.190588][ T8819] ? lock_acquire+0x115/0x350
[ 620.190650][ T8819] ? tun_get+0x1c/0x2f0
[ 620.190720][ T8819] ? tun_get+0x1c/0x2f0
[ 620.190775][ T8819] ? tun_get+0x1c/0x2f0
[ 620.190857][ T8819] tun_chr_write_iter+0x113/0x200
[ 620.190923][ T8819] vfs_write+0x612/0xba0
[ 620.191041][ T8819] ? __pfx_vfs_write+0x10/0x10
[ 620.191195][ T8819] ? do_sys_openat2+0x14e/0x200
[ 620.191313][ T8819] ksys_write+0x150/0x270
[ 620.191423][ T8819] ? __pfx_ksys_write+0x10/0x10
[ 620.191534][ T8819] __do_fast_syscall_32+0x27a/0x6a0
[ 620.191607][ T8819] ? do_fast_syscall_32+0x33/0x70
[ 620.191701][ T8819] ? irqentry_exit+0x10f/0x910
[ 620.191750][ T8819] ? trace_irq_disable+0x3b/0x140
[ 620.191824][ T8819] do_fast_syscall_32+0x33/0x70
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 620.191895][ T8819] entry_SYSENTER_compat_after_hwframe+0x84/0x8e
[ 620.191967][ T8819] RIP: 0023:0xf7dbf0ec
[ 620.192021][ T8819] Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8
[ 620.192074][ T8819] RSP: 002b:00000000f7f8fcec EFLAGS: 00000206 ORIG_RAX: 0000000000000004
[ 620.192139][ T8819] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000800
executing program
[ 620.192183][ T8819] RDX: 0000000000000026 RSI: 00000000f7e3c24d RDI: 0000000000000006
[ 620.192233][ T8819] RBP: 00000000000000b6 R08: 0000000000000000 R09: 0000000000000000
[ 620.192268][ T8819] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[ 620.192308][ T8819] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 620.192392][ T8819]
[ 620.209323][ T8819] batman_adv: batadv0: Interface deactivated: syzkaller0
[ 620.267563][ T8819] batman_adv: batadv0: Removing interface: syzkaller0
[ 620.472478][ T8820] batman_adv: batadv0: Adding interface: syzkaller0
[ 620.472546][ T8820] batman_adv: batadv0: The MTU of interface syzkaller0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 620.472737][ T8820] batman_adv: batadv0: Interface activated: syzkaller0
[ 620.477608][ T8820] FAULT_INJECTION: forcing a failure.
[ 620.477608][ T8820] name failslab, interval 1, probability 0, space 0, times 0
[ 620.477863][ T8820] CPU: 0 UID: 0 PID: 8820 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 620.477936][ T8820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 620.477969][ T8820] Call Trace:
[ 620.477994][ T8820]
[ 620.478025][ T8820] dump_stack_lvl+0xe8/0x150
[ 620.478123][ T8820] should_fail_ex+0x410/0x560
[ 620.478216][ T8820] should_failslab+0xa8/0x100
[ 620.478301][ T8820] __kmalloc_cache_noprof+0xa3/0x600
[ 620.478357][ T8820] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 620.478461][ T8820] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 620.478590][ T8820] batadv_neigh_ifinfo_new+0x95/0x300
[ 620.478636][ T8820] batadv_iv_ogm_process_per_outif+0x52e/0x2790
[ 620.478822][ T8820] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 620.478927][ T8820] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 620.479043][ T8820] ? netdev_lower_get_next_private_rcu+0x9f/0x100
[ 620.479122][ T8820] batadv_iv_ogm_receive+0x11c7/0x1740
[ 620.479247][ T8820] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 620.479382][ T8820] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 620.479476][ T8820] ? rcu_is_watching+0x16/0xb0
[ 620.479550][ T8820] ? __alloc_skb+0x27a/0x7a0
[ 620.479637][ T8820] ? trace_kmem_cache_alloc+0x29/0xe0
[ 620.479744][ T8820] batadv_batman_skb_recv+0x4b6/0x870
[ 620.479828][ T8820] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 620.479905][ T8820] ? netif_receive_skb+0x102/0xbf0
[ 620.479993][ T8820] ? netif_receive_skb+0x102/0xbf0
[ 620.480080][ T8820] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 620.480133][ T8820] netif_receive_skb+0x4af/0xbf0
[ 620.480253][ T8820] ? __pfx_netif_receive_skb+0x10/0x10
[ 620.480379][ T8820] ? tun_rx_batched+0x185/0x790
[ 620.480447][ T8820] tun_rx_batched+0x1de/0x790
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 620.480535][ T8820] ? __pfx_tun_rx_batched+0x10/0x10
[ 620.480600][ T8820] ? lock_acquire+0x115/0x350
[ 620.480695][ T8820] ? tun_get_user+0x23ba/0x44d0
[ 620.480758][ T8820] ? __local_bh_enable_ip+0xd6/0x140
[ 620.480835][ T8820] ? tun_get_user+0x27b0/0x44d0
[ 620.480909][ T8820] tun_get_user+0x2be0/0x44d0
[ 620.481009][ T8820] ? tun_get_user+0x27b0/0x44d0
[ 620.481086][ T8820] ? aa_file_perm+0x4ed/0x15f0
[ 620.481164][ T8820] ? __pfx_tun_get_user+0x10/0x10
[ 620.481230][ T8820] ? __lock_acquire+0x747/0x2de0
executing program
[ 620.481314][ T8820] ? kstrtoull+0x137/0x1d0
[ 620.481462][ T8820] ? ref_tracker_alloc+0x341/0x4b0
[ 620.481524][ T8820] ? lock_acquire+0x115/0x350
[ 620.481589][ T8820] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 620.481695][ T8820] ? lock_acquire+0x115/0x350
[ 620.481766][ T8820] ? tun_get+0x1c/0x2f0
[ 620.481850][ T8820] ? tun_get+0x1c/0x2f0
[ 620.481906][ T8820] ? tun_get+0x1c/0x2f0
[ 620.481991][ T8820] tun_chr_write_iter+0x113/0x200
[ 620.482057][ T8820] vfs_write+0x612/0xba0
[ 620.482176][ T8820] ? __pfx_vfs_write+0x10/0x10
[ 620.482293][ T8820] ? do_sys_openat2+0x14e/0x200
[ 620.482396][ T8820] ksys_write+0x150/0x270
[ 620.482491][ T8820] ? __pfx_ksys_write+0x10/0x10
[ 620.482607][ T8820] __do_fast_syscall_32+0x27a/0x6a0
[ 620.482690][ T8820] ? do_fast_syscall_32+0x33/0x70
[ 620.482755][ T8820] ? irqentry_exit+0x10f/0x910
[ 620.482816][ T8820] do_fast_syscall_32+0x33/0x70
[ 620.482888][ T8820] entry_SYSENTER_compat_after_hwframe+0x84/0x8e
[ 620.482963][ T8820] RIP: 0023:0xf7dbf0ec
[ 620.483019][ T8820] Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8
[ 620.483073][ T8820] RSP: 002b:00000000f7f8fcec EFLAGS: 00000206 ORIG_RAX: 0000000000000004
[ 620.483142][ T8820] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000800
[ 620.483192][ T8820] RDX: 0000000000000026 RSI: 00000000f7e3c24d RDI: 0000000000000006
[ 620.483242][ T8820] RBP: 00000000000000b7 R08: 0000000000000000 R09: 0000000000000000
[ 620.483276][ T8820] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[ 620.483310][ T8820] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 620.483407][ T8820]
[ 620.489390][ T8820] batman_adv: batadv0: Interface deactivated: syzkaller0
[ 620.575892][ T8820] batman_adv: batadv0: Removing interface: syzkaller0
[ 620.809557][ T8821] batman_adv: batadv0: Adding interface: syzkaller0
[ 620.809618][ T8821] batman_adv: batadv0: The MTU of interface syzkaller0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 620.809714][ T8821] batman_adv: batadv0: Interface activated: syzkaller0
[ 620.815880][ T8821] FAULT_INJECTION: forcing a failure.
[ 620.815880][ T8821] name failslab, interval 1, probability 0, space 0, times 0
[ 620.815976][ T8821] CPU: 0 UID: 0 PID: 8821 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 620.816043][ T8821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 620.816084][ T8821] Call Trace:
[ 620.816106][ T8821]
[ 620.816129][ T8821] dump_stack_lvl+0xe8/0x150
executing program
[ 620.816213][ T8821] should_fail_ex+0x410/0x560
[ 620.816295][ T8821] should_failslab+0xa8/0x100
[ 620.816371][ T8821] __kmalloc_cache_noprof+0xa3/0x600
[ 620.816435][ T8821] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 620.816523][ T8821] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 620.816649][ T8821] batadv_neigh_ifinfo_new+0x95/0x300
[ 620.816767][ T8821] batadv_iv_ogm_process_per_outif+0x1819/0x2790
[ 620.816895][ T8821] ? batadv_iv_ogm_process_per_outif+0x101a/0x2790
[ 620.816996][ T8821] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 620.817091][ T8821] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 620.817189][ T8821] ? batadv_iv_ogm_orig_get+0x31/0x5c0
[ 620.817273][ T8821] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 620.817370][ T8821] batadv_iv_ogm_receive+0xc13/0x1740
[ 620.817489][ T8821] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 620.817617][ T8821] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 620.817735][ T8821] ? rcu_is_watching+0x16/0xb0
[ 620.817800][ T8821] ? __alloc_skb+0x27a/0x7a0
[ 620.817863][ T8821] ? trace_kmem_cache_alloc+0x29/0xe0
[ 620.817967][ T8821] batadv_batman_skb_recv+0x4b6/0x870
[ 620.818034][ T8821] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 620.818063][ T8821] ? netif_receive_skb+0x102/0xbf0
[ 620.818094][ T8821] ? netif_receive_skb+0x102/0xbf0
[ 620.818128][ T8821] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 620.818606][ T8821] netif_receive_skb+0x4af/0xbf0
[ 620.818968][ T8821] ? __pfx_netif_receive_skb+0x10/0x10
[ 620.819236][ T8821] ? tun_rx_batched+0x185/0x790
[ 620.819320][ T8821] tun_rx_batched+0x1de/0x790
[ 620.819414][ T8821] ? __pfx_tun_rx_batched+0x10/0x10
[ 620.819486][ T8821] ? lock_acquire+0x115/0x350
[ 620.819599][ T8821] ? tun_get_user+0x23ba/0x44d0
[ 620.819669][ T8821] ? __local_bh_enable_ip+0xd6/0x140
[ 620.819761][ T8821] ? tun_get_user+0x27b0/0x44d0
[ 620.819834][ T8821] tun_get_user+0x2be0/0x44d0
[ 620.819950][ T8821] ? tun_get_user+0x27b0/0x44d0
[ 620.820045][ T8821] ? aa_file_perm+0x4ed/0x15f0
[ 620.820144][ T8821] ? __pfx_tun_get_user+0x10/0x10
[ 620.820242][ T8821] ? __lock_acquire+0x747/0x2de0
[ 620.820324][ T8821] ? kstrtoull+0x137/0x1d0
[ 620.820446][ T8821] ? ref_tracker_alloc+0x341/0x4b0
[ 620.820490][ T8821] ? lock_acquire+0x115/0x350
[ 620.820676][ T8821] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 620.820763][ T8821] ? lock_acquire+0x115/0x350
[ 620.820840][ T8821] ? tun_get+0x1c/0x2f0
[ 620.820912][ T8821] ? tun_get+0x1c/0x2f0
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 620.820967][ T8821] ? tun_get+0x1c/0x2f0
[ 620.821283][ T8821] tun_chr_write_iter+0x113/0x200
[ 620.821369][ T8821] vfs_write+0x612/0xba0
[ 620.821505][ T8821] ? __pfx_vfs_write+0x10/0x10
[ 620.821565][ T8821] ? do_sys_openat2+0x14e/0x200
[ 620.821599][ T8821] ksys_write+0x150/0x270
[ 620.821683][ T8821] ? __pfx_ksys_write+0x10/0x10
[ 620.821799][ T8821] __do_fast_syscall_32+0x27a/0x6a0
[ 620.821877][ T8821] ? do_fast_syscall_32+0x33/0x70
[ 620.821951][ T8821] ? irqentry_exit+0x10f/0x910
executing program
[ 620.822007][ T8821] ? trace_irq_disable+0x3b/0x140
[ 620.822099][ T8821] do_fast_syscall_32+0x33/0x70
[ 620.822172][ T8821] entry_SYSENTER_compat_after_hwframe+0x84/0x8e
[ 620.822277][ T8821] RIP: 0023:0xf7dbf0ec
[ 620.822341][ T8821] Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8
[ 620.822401][ T8821] RSP: 002b:00000000f7f8fcec EFLAGS: 00000206 ORIG_RAX: 0000000000000004
[ 620.822447][ T8821] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000800
[ 620.822499][ T8821] RDX: 0000000000000026 RSI: 00000000f7e3c24d RDI: 0000000000000006
[ 620.822529][ T8821] RBP: 00000000000000b8 R08: 0000000000000000 R09: 0000000000000000
[ 620.822580][ T8821] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[ 620.822613][ T8821] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 620.822686][ T8821]
[ 620.855566][ T8821] batman_adv: batadv0: Interface deactivated: syzkaller0
[ 620.932768][ T8821] batman_adv: batadv0: Removing interface: syzkaller0
[ 621.119238][ T8822] batman_adv: batadv0: Adding interface: syzkaller0
[ 621.119311][ T8822] batman_adv: batadv0: The MTU of interface syzkaller0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 621.119407][ T8822] batman_adv: batadv0: Interface activated: syzkaller0
[ 621.125254][ T8822] FAULT_INJECTION: forcing a failure.
[ 621.125254][ T8822] name failslab, interval 1, probability 0, space 0, times 0
[ 621.125348][ T8822] CPU: 0 UID: 0 PID: 8822 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 621.125412][ T8822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 621.125462][ T8822] Call Trace:
[ 621.125483][ T8822]
[ 621.125507][ T8822] dump_stack_lvl+0xe8/0x150
[ 621.125620][ T8822] should_fail_ex+0x410/0x560
[ 621.125705][ T8822] should_failslab+0xa8/0x100
[ 621.125789][ T8822] __kmalloc_cache_noprof+0xa3/0x600
[ 621.125866][ T8822] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 621.125966][ T8822] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 621.126082][ T8822] batadv_neigh_ifinfo_new+0x95/0x300
[ 621.126183][ T8822] batadv_iv_ogm_process_per_outif+0x52e/0x2790
[ 621.126340][ T8822] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 621.126435][ T8822] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 621.126541][ T8822] ? netdev_lower_get_next_private_rcu+0x9f/0x100
[ 621.126632][ T8822] batadv_iv_ogm_receive+0x11c7/0x1740
[ 621.126759][ T8822] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 621.126882][ T8822] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 621.126976][ T8822] ? rcu_is_watching+0x16/0xb0
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 621.127049][ T8822] ? __alloc_skb+0x27a/0x7a0
[ 621.127105][ T8822] ? trace_kmem_cache_alloc+0x29/0xe0
[ 621.127214][ T8822] batadv_batman_skb_recv+0x4b6/0x870
[ 621.127296][ T8822] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 621.127388][ T8822] ? netif_receive_skb+0x102/0xbf0
[ 621.127474][ T8822] ? netif_receive_skb+0x102/0xbf0
[ 621.127560][ T8822] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 621.127670][ T8822] netif_receive_skb+0x4af/0xbf0
[ 621.127789][ T8822] ? __pfx_netif_receive_skb+0x10/0x10
executing program
[ 621.127893][ T8822] ? tun_rx_batched+0x185/0x790
[ 621.127959][ T8822] tun_rx_batched+0x1de/0x790
[ 621.128062][ T8822] ? __pfx_tun_rx_batched+0x10/0x10
[ 621.128141][ T8822] ? lock_acquire+0x115/0x350
[ 621.128203][ T8822] ? tun_get_user+0x23ba/0x44d0
[ 621.128272][ T8822] ? __local_bh_enable_ip+0xd6/0x140
[ 621.128365][ T8822] ? tun_get_user+0x27b0/0x44d0
[ 621.128439][ T8822] tun_get_user+0x2be0/0x44d0
[ 621.128538][ T8822] ? tun_get_user+0x27b0/0x44d0
[ 621.128629][ T8822] ? aa_file_perm+0x4ed/0x15f0
[ 621.128705][ T8822] ? __pfx_tun_get_user+0x10/0x10
[ 621.128770][ T8822] ? __lock_acquire+0x747/0x2de0
[ 621.128840][ T8822] ? kstrtoull+0x137/0x1d0
[ 621.128957][ T8822] ? ref_tracker_alloc+0x341/0x4b0
[ 621.129022][ T8822] ? lock_acquire+0x115/0x350
[ 621.129084][ T8822] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 621.129155][ T8822] ? lock_acquire+0x115/0x350
[ 621.129219][ T8822] ? tun_get+0x1c/0x2f0
[ 621.129295][ T8822] ? tun_get+0x1c/0x2f0
[ 621.129358][ T8822] ? tun_get+0x1c/0x2f0
[ 621.129449][ T8822] tun_chr_write_iter+0x113/0x200
[ 621.129519][ T8822] vfs_write+0x612/0xba0
[ 621.129653][ T8822] ? __pfx_vfs_write+0x10/0x10
[ 621.129782][ T8822] ? do_sys_openat2+0x14e/0x200
[ 621.129885][ T8822] ksys_write+0x150/0x270
[ 621.129979][ T8822] ? __pfx_ksys_write+0x10/0x10
[ 621.130088][ T8822] __do_fast_syscall_32+0x27a/0x6a0
[ 621.130156][ T8822] ? do_fast_syscall_32+0x33/0x70
[ 621.130221][ T8822] ? irqentry_exit+0x10f/0x910
[ 621.130282][ T8822] ? trace_irq_disable+0x3b/0x140
[ 621.130355][ T8822] do_fast_syscall_32+0x33/0x70
[ 621.130420][ T8822] entry_SYSENTER_compat_after_hwframe+0x84/0x8e
[ 621.130494][ T8822] RIP: 0023:0xf7dbf0ec
[ 621.130542][ T8822] Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8
[ 621.130595][ T8822] RSP: 002b:00000000f7f8fcec EFLAGS: 00000206 ORIG_RAX: 0000000000000004
[ 621.130667][ T8822] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000800
[ 621.130708][ T8822] RDX: 0000000000000026 RSI: 00000000f7e3c24d RDI: 0000000000000006
[ 621.130748][ T8822] RBP: 00000000000000b9 R08: 0000000000000000 R09: 0000000000000000
[ 621.130781][ T8822] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 621.130822][ T8822] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 621.130908][ T8822]
[ 621.155739][ T8822] batman_adv: batadv0: Interface deactivated: syzkaller0
[ 621.230877][ T8822] batman_adv: batadv0: Removing interface: syzkaller0
[ 621.468685][ T8823] batman_adv: batadv0: Adding interface: syzkaller0
executing program
[ 621.468738][ T8823] batman_adv: batadv0: The MTU of interface syzkaller0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 621.468838][ T8823] batman_adv: batadv0: Interface activated: syzkaller0
[ 621.473677][ T8823] FAULT_INJECTION: forcing a failure.
[ 621.473677][ T8823] name failslab, interval 1, probability 0, space 0, times 0
[ 621.473774][ T8823] CPU: 1 UID: 0 PID: 8823 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 621.473868][ T8823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 621.473910][ T8823] Call Trace:
[ 621.473934][ T8823]
[ 621.473957][ T8823] dump_stack_lvl+0xe8/0x150
[ 621.474064][ T8823] should_fail_ex+0x410/0x560
[ 621.474120][ T8823] should_failslab+0xa8/0x100
[ 621.474146][ T8823] __kmalloc_cache_noprof+0xa3/0x600
[ 621.474167][ T8823] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 621.474198][ T8823] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 621.474280][ T8823] batadv_neigh_ifinfo_new+0x95/0x300
[ 621.474390][ T8823] batadv_iv_ogm_process_per_outif+0x1819/0x2790
[ 621.474527][ T8823] ? batadv_iv_ogm_process_per_outif+0x101a/0x2790
[ 621.474636][ T8823] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 621.474740][ T8823] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 621.474849][ T8823] ? batadv_iv_ogm_orig_get+0x31/0x5c0
[ 621.474941][ T8823] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 621.475063][ T8823] batadv_iv_ogm_receive+0xc13/0x1740
[ 621.475194][ T8823] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 621.475315][ T8823] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 621.475413][ T8823] ? rcu_is_watching+0x16/0xb0
[ 621.475487][ T8823] ? __alloc_skb+0x27a/0x7a0
[ 621.475552][ T8823] ? trace_kmem_cache_alloc+0x29/0xe0
[ 621.475695][ T8823] batadv_batman_skb_recv+0x4b6/0x870
[ 621.475777][ T8823] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 621.475855][ T8823] ? netif_receive_skb+0x102/0xbf0
[ 621.475967][ T8823] ? netif_receive_skb+0x102/0xbf0
[ 621.476061][ T8823] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 621.476221][ T8823] netif_receive_skb+0x4af/0xbf0
[ 621.476354][ T8823] ? __pfx_netif_receive_skb+0x10/0x10
[ 621.476492][ T8823] ? tun_rx_batched+0x185/0x790
[ 621.476669][ T8823] tun_rx_batched+0x1de/0x790
[ 621.476755][ T8823] ? __pfx_tun_rx_batched+0x10/0x10
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 621.476830][ T8823] ? lock_acquire+0x115/0x350
[ 621.476928][ T8823] ? tun_get_user+0x23ba/0x44d0
[ 621.476996][ T8823] ? __local_bh_enable_ip+0xd6/0x140
[ 621.477070][ T8823] ? tun_get_user+0x27b0/0x44d0
[ 621.477145][ T8823] tun_get_user+0x2be0/0x44d0
[ 621.477253][ T8823] ? tun_get_user+0x27b0/0x44d0
[ 621.477341][ T8823] ? aa_file_perm+0x4ed/0x15f0
[ 621.477439][ T8823] ? __pfx_tun_get_user+0x10/0x10
[ 621.477514][ T8823] ? __lock_acquire+0x747/0x2de0
executing program
[ 621.477596][ T8823] ? kstrtoull+0x137/0x1d0
[ 621.477709][ T8823] ? ref_tracker_alloc+0x341/0x4b0
[ 621.477781][ T8823] ? lock_acquire+0x115/0x350
[ 621.477853][ T8823] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 621.477930][ T8823] ? lock_acquire+0x115/0x350
[ 621.478011][ T8823] ? tun_get+0x1c/0x2f0
[ 621.478079][ T8823] ? tun_get+0x1c/0x2f0
[ 621.478142][ T8823] ? tun_get+0x1c/0x2f0
[ 621.478215][ T8823] tun_chr_write_iter+0x113/0x200
[ 621.478288][ T8823] vfs_write+0x612/0xba0
[ 621.478429][ T8823] ? __pfx_vfs_write+0x10/0x10
[ 621.478553][ T8823] ? do_sys_openat2+0x14e/0x200
[ 621.478657][ T8823] ksys_write+0x150/0x270
[ 621.478749][ T8823] ? __pfx_ksys_write+0x10/0x10
[ 621.478866][ T8823] __do_fast_syscall_32+0x27a/0x6a0
[ 621.478942][ T8823] ? do_fast_syscall_32+0x33/0x70
[ 621.479008][ T8823] ? irqentry_exit+0x10f/0x910
[ 621.479072][ T8823] ? trace_irq_disable+0x3b/0x140
[ 621.479140][ T8823] do_fast_syscall_32+0x33/0x70
[ 621.479206][ T8823] entry_SYSENTER_compat_after_hwframe+0x84/0x8e
[ 621.479281][ T8823] RIP: 0023:0xf7dbf0ec
[ 621.479343][ T8823] Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8
[ 621.479397][ T8823] RSP: 002b:00000000f7f8fcec EFLAGS: 00000206 ORIG_RAX: 0000000000000004
[ 621.479470][ T8823] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000800
[ 621.479512][ T8823] RDX: 0000000000000026 RSI: 00000000f7e3c24d RDI: 0000000000000006
[ 621.479555][ T8823] RBP: 00000000000000ba R08: 0000000000000000 R09: 0000000000000000
[ 621.479589][ T8823] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[ 621.479630][ T8823] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 621.479716][ T8823]
[ 621.496392][ T8823] batman_adv: batadv0: Interface deactivated: syzkaller0
[ 621.575973][ T8823] batman_adv: batadv0: Removing interface: syzkaller0
[ 621.817792][ T8824] batman_adv: batadv0: Adding interface: syzkaller0
[ 621.817853][ T8824] batman_adv: batadv0: The MTU of interface syzkaller0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 621.817948][ T8824] batman_adv: batadv0: Interface activated: syzkaller0
[ 621.824022][ T8824] FAULT_INJECTION: forcing a failure.
[ 621.824022][ T8824] name failslab, interval 1, probability 0, space 0, times 0
[ 621.824116][ T8824] CPU: 1 UID: 0 PID: 8824 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 621.824181][ T8824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
executing program
[ 621.824220][ T8824] Call Trace:
[ 621.824242][ T8824]
[ 621.824272][ T8824] dump_stack_lvl+0xe8/0x150
[ 621.824368][ T8824] should_fail_ex+0x410/0x560
[ 621.824455][ T8824] should_failslab+0xa8/0x100
[ 621.824530][ T8824] __kmalloc_cache_noprof+0xa3/0x600
[ 621.824608][ T8824] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 621.824723][ T8824] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 621.824831][ T8824] batadv_neigh_ifinfo_new+0x95/0x300
[ 621.824942][ T8824] batadv_iv_ogm_process_per_outif+0x1819/0x2790
[ 621.825068][ T8824] ? batadv_iv_ogm_process_per_outif+0x101a/0x2790
[ 621.825182][ T8824] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 621.825276][ T8824] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 621.825372][ T8824] ? batadv_iv_ogm_orig_get+0x31/0x5c0
[ 621.825455][ T8824] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 621.825552][ T8824] batadv_iv_ogm_receive+0xc13/0x1740
[ 621.825688][ T8824] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 621.825812][ T8824] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 621.825954][ T8824] ? rcu_is_watching+0x16/0xb0
[ 621.826021][ T8824] ? __alloc_skb+0x27a/0x7a0
[ 621.826083][ T8824] ? trace_kmem_cache_alloc+0x29/0xe0
[ 621.826197][ T8824] batadv_batman_skb_recv+0x4b6/0x870
[ 621.826272][ T8824] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 621.826362][ T8824] ? netif_receive_skb+0x102/0xbf0
[ 621.826460][ T8824] ? netif_receive_skb+0x102/0xbf0
[ 621.826549][ T8824] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 621.826613][ T8824] netif_receive_skb+0x4af/0xbf0
[ 621.826718][ T8824] ? __pfx_netif_receive_skb+0x10/0x10
[ 621.826822][ T8824] ? tun_rx_batched+0x185/0x790
[ 621.826904][ T8824] tun_rx_batched+0x1de/0x790
[ 621.826987][ T8824] ? __pfx_tun_rx_batched+0x10/0x10
[ 621.827050][ T8824] ? lock_acquire+0x115/0x350
[ 621.827150][ T8824] ? tun_get_user+0x23ba/0x44d0
[ 621.827213][ T8824] ? __local_bh_enable_ip+0xd6/0x140
[ 621.827287][ T8824] ? tun_get_user+0x27b0/0x44d0
[ 621.827360][ T8824] tun_get_user+0x2be0/0x44d0
[ 621.827449][ T8824] ? tun_get_user+0x27b0/0x44d0
[ 621.827525][ T8824] ? aa_file_perm+0x4ed/0x15f0
[ 621.827600][ T8824] ? __pfx_tun_get_user+0x10/0x10
[ 621.827657][ T8824] ? __lock_acquire+0x747/0x2de0
[ 621.827694][ T8824] ? kstrtoull+0x137/0x1d0
[ 621.827793][ T8824] ? ref_tracker_alloc+0x341/0x4b0
[ 621.827857][ T8824] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 621.827941][ T8824] ? lock_acquire+0x115/0x350
[ 621.828011][ T8824] ? tun_get+0x1c/0x2f0
[ 621.828100][ T8824] ? tun_get+0x1c/0x2f0
[ 621.828161][ T8824] ? tun_get+0x1c/0x2f0
[ 621.828234][ T8824] tun_chr_write_iter+0x113/0x200
[ 621.828305][ T8824] vfs_write+0x612/0xba0
[ 621.828407][ T8824] ? __pfx_vfs_write+0x10/0x10
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 621.828483][ T8824] ? irqentry_exit+0x218/0x910
[ 621.828609][ T8824] ksys_write+0x150/0x270
[ 621.828702][ T8824] ? __pfx_ksys_write+0x10/0x10
[ 621.828817][ T8824] __do_fast_syscall_32+0x27a/0x6a0
[ 621.828890][ T8824] ? do_fast_syscall_32+0x33/0x70
[ 621.828961][ T8824] ? irqentry_exit+0x10f/0x910
[ 621.829015][ T8824] ? trace_irq_disable+0x3b/0x140
[ 621.829088][ T8824] do_fast_syscall_32+0x33/0x70
executing program
[ 621.829154][ T8824] entry_SYSENTER_compat_after_hwframe+0x84/0x8e
[ 621.829227][ T8824] RIP: 0023:0xf7dbf0ec
[ 621.829280][ T8824] Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8
[ 621.829340][ T8824] RSP: 002b:00000000f7f8fcec EFLAGS: 00000206 ORIG_RAX: 0000000000000004
[ 621.829391][ T8824] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000800
[ 621.829423][ T8824] RDX: 0000000000000026 RSI: 00000000f7e3c24d RDI: 0000000000000006
[ 621.829436][ T8824] RBP: 00000000000000bb R08: 0000000000000000 R09: 0000000000000000
[ 621.829449][ T8824] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[ 621.829462][ T8824] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 621.829492][ T8824]
[ 621.856535][ T8824] batman_adv: batadv0: Interface deactivated: syzkaller0
[ 621.936052][ T8824] batman_adv: batadv0: Removing interface: syzkaller0
[ 622.142565][ T8825] batman_adv: batadv0: Adding interface: syzkaller0
[ 622.142618][ T8825] batman_adv: batadv0: The MTU of interface syzkaller0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 622.142705][ T8825] batman_adv: batadv0: Interface activated: syzkaller0
[ 622.147001][ T8825] FAULT_INJECTION: forcing a failure.
[ 622.147001][ T8825] name failslab, interval 1, probability 0, space 0, times 0
[ 622.147095][ T8825] CPU: 1 UID: 0 PID: 8825 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 622.147159][ T8825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 622.147192][ T8825] Call Trace:
[ 622.147221][ T8825]
[ 622.147244][ T8825] dump_stack_lvl+0xe8/0x150
[ 622.147343][ T8825] should_fail_ex+0x410/0x560
[ 622.147420][ T8825] should_failslab+0xa8/0x100
[ 622.147505][ T8825] __kmalloc_cache_noprof+0xa3/0x600
[ 622.147568][ T8825] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 622.147682][ T8825] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 622.147760][ T8825] batadv_neigh_ifinfo_new+0x95/0x300
[ 622.147895][ T8825] batadv_iv_ogm_process_per_outif+0x1819/0x2790
[ 622.148026][ T8825] ? batadv_iv_ogm_process_per_outif+0x101a/0x2790
[ 622.148136][ T8825] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 622.148240][ T8825] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 622.148337][ T8825] ? batadv_iv_ogm_orig_get+0x31/0x5c0
[ 622.148420][ T8825] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 622.148525][ T8825] batadv_iv_ogm_receive+0xc13/0x1740
[ 622.148646][ T8825] ? batadv_iv_ogm_receive+0x4b1/0x1740
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 622.148772][ T8825] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 622.148866][ T8825] ? rcu_is_watching+0x16/0xb0
[ 622.148932][ T8825] ? __alloc_skb+0x27a/0x7a0
[ 622.148992][ T8825] ? trace_kmem_cache_alloc+0x29/0xe0
[ 622.149097][ T8825] batadv_batman_skb_recv+0x4b6/0x870
[ 622.149172][ T8825] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 622.149253][ T8825] ? netif_receive_skb+0x102/0xbf0
[ 622.149341][ T8825] ? netif_receive_skb+0x102/0xbf0
[ 622.149449][ T8825] ? __pfx_batadv_batman_skb_recv+0x10/0x10
executing program
[ 622.149522][ T8825] netif_receive_skb+0x4af/0xbf0
[ 622.149631][ T8825] ? __pfx_netif_receive_skb+0x10/0x10
[ 622.149736][ T8825] ? tun_rx_batched+0x185/0x790
[ 622.149809][ T8825] tun_rx_batched+0x1de/0x790
[ 622.149892][ T8825] ? __pfx_tun_rx_batched+0x10/0x10
[ 622.149949][ T8825] ? lock_acquire+0x115/0x350
[ 622.150027][ T8825] ? tun_get_user+0x23ba/0x44d0
[ 622.150083][ T8825] ? __local_bh_enable_ip+0xd6/0x140
[ 622.150157][ T8825] ? tun_get_user+0x27b0/0x44d0
[ 622.150230][ T8825] tun_get_user+0x2be0/0x44d0
[ 622.150399][ T8825] ? tun_get_user+0x27b0/0x44d0
[ 622.150494][ T8825] ? aa_file_perm+0x4ed/0x15f0
[ 622.150570][ T8825] ? __pfx_tun_get_user+0x10/0x10
[ 622.150642][ T8825] ? __lock_acquire+0x747/0x2de0
[ 622.150708][ T8825] ? kstrtoull+0x137/0x1d0
[ 622.150823][ T8825] ? ref_tracker_alloc+0x341/0x4b0
[ 622.150888][ T8825] ? lock_acquire+0x115/0x350
[ 622.150975][ T8825] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 622.151065][ T8825] ? lock_acquire+0x115/0x350
[ 622.151114][ T8825] ? tun_get+0x1c/0x2f0
[ 622.151184][ T8825] ? tun_get+0x1c/0x2f0
[ 622.151246][ T8825] ? tun_get+0x1c/0x2f0
[ 622.151313][ T8825] tun_chr_write_iter+0x113/0x200
[ 622.151402][ T8825] vfs_write+0x612/0xba0
[ 622.151527][ T8825] ? __pfx_vfs_write+0x10/0x10
[ 622.151642][ T8825] ? do_sys_openat2+0x14e/0x200
[ 622.151746][ T8825] ksys_write+0x150/0x270
[ 622.151866][ T8825] ? __pfx_ksys_write+0x10/0x10
[ 622.151989][ T8825] __do_fast_syscall_32+0x27a/0x6a0
[ 622.152073][ T8825] ? do_fast_syscall_32+0x33/0x70
[ 622.152138][ T8825] ? irqentry_exit+0x10f/0x910
[ 622.152192][ T8825] ? trace_irq_disable+0x3b/0x140
[ 622.152275][ T8825] do_fast_syscall_32+0x33/0x70
[ 622.152348][ T8825] entry_SYSENTER_compat_after_hwframe+0x84/0x8e
[ 622.152654][ T8825] RIP: 0023:0xf7dbf0ec
[ 622.152682][ T8825] Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8
[ 622.152779][ T8825] RSP: 002b:00000000f7f8fcec EFLAGS: 00000206 ORIG_RAX: 0000000000000004
[ 622.152856][ T8825] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000800
[ 622.152906][ T8825] RDX: 0000000000000026 RSI: 00000000f7e3c24d RDI: 0000000000000006
[ 622.152949][ T8825] RBP: 00000000000000bc R08: 0000000000000000 R09: 0000000000000000
[ 622.152971][ T8825] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[ 622.152983][ T8825] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 622.153013][ T8825]
[ 622.177914][ T8825] batman_adv: batadv0: Interface deactivated: syzkaller0
[ 622.255496][ T8825] batman_adv: batadv0: Removing interface: syzkaller0
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 622.455154][ T8826] batman_adv: batadv0: Adding interface: syzkaller0
[ 622.455215][ T8826] batman_adv: batadv0: The MTU of interface syzkaller0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 622.455303][ T8826] batman_adv: batadv0: Interface activated: syzkaller0
executing program
[ 622.460201][ T8826] FAULT_INJECTION: forcing a failure.
[ 622.460201][ T8826] name failslab, interval 1, probability 0, space 0, times 0
[ 622.460301][ T8826] CPU: 1 UID: 0 PID: 8826 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 622.460386][ T8826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 622.460420][ T8826] Call Trace:
[ 622.460450][ T8826]
[ 622.460473][ T8826] dump_stack_lvl+0xe8/0x150
[ 622.460586][ T8826] should_fail_ex+0x410/0x560
[ 622.460663][ T8826] should_failslab+0xa8/0x100
[ 622.460747][ T8826] __kmalloc_cache_noprof+0xa3/0x600
[ 622.460810][ T8826] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 622.460890][ T8826] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 622.460997][ T8826] batadv_neigh_ifinfo_new+0x95/0x300
[ 622.461109][ T8826] batadv_iv_ogm_process_per_outif+0x1819/0x2790
[ 622.461276][ T8826] ? batadv_iv_ogm_process_per_outif+0x101a/0x2790
[ 622.461393][ T8826] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 622.461496][ T8826] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 622.461594][ T8826] ? batadv_iv_ogm_orig_get+0x31/0x5c0
[ 622.461700][ T8826] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 622.461804][ T8826] batadv_iv_ogm_receive+0xc13/0x1740
[ 622.461936][ T8826] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 622.462065][ T8826] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 622.462159][ T8826] ? rcu_is_watching+0x16/0xb0
[ 622.462231][ T8826] ? __alloc_skb+0x27a/0x7a0
[ 622.462296][ T8826] ? trace_kmem_cache_alloc+0x29/0xe0
[ 622.462403][ T8826] batadv_batman_skb_recv+0x4b6/0x870
[ 622.462485][ T8826] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 622.462582][ T8826] ? netif_receive_skb+0x102/0xbf0
[ 622.462672][ T8826] ? netif_receive_skb+0x102/0xbf0
[ 622.462764][ T8826] ? __pfx_batadv_batman_skb_recv+0x10/0x10
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 622.462821][ T8826] netif_receive_skb+0x4af/0xbf0
[ 622.462925][ T8826] ? __pfx_netif_receive_skb+0x10/0x10
[ 622.463037][ T8826] ? tun_rx_batched+0x185/0x790
[ 622.463103][ T8826] tun_rx_batched+0x1de/0x790
[ 622.463186][ T8826] ? __pfx_tun_rx_batched+0x10/0x10
[ 622.463250][ T8826] ? lock_acquire+0x115/0x350
[ 622.463341][ T8826] ? tun_get_user+0x23ba/0x44d0
[ 622.463404][ T8826] ? __local_bh_enable_ip+0xd6/0x140
[ 622.463478][ T8826] ? tun_get_user+0x27b0/0x44d0
[ 622.463550][ T8826] tun_get_user+0x2be0/0x44d0
[ 622.463647][ T8826] ? tun_get_user+0x27b0/0x44d0
[ 622.463739][ T8826] ? aa_file_perm+0x4ed/0x15f0
[ 622.463815][ T8826] ? __pfx_tun_get_user+0x10/0x10
[ 622.463880][ T8826] ? __lock_acquire+0x747/0x2de0
[ 622.463945][ T8826] ? kstrtoull+0x137/0x1d0
[ 622.464076][ T8826] ? ref_tracker_alloc+0x341/0x4b0
[ 622.464154][ T8826] ? lock_acquire+0x115/0x350
executing program
[ 622.464217][ T8826] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 622.464301][ T8826] ? lock_acquire+0x115/0x350
[ 622.464372][ T8826] ? tun_get+0x1c/0x2f0
[ 622.464447][ T8826] ? tun_get+0x1c/0x2f0
[ 622.464508][ T8826] ? tun_get+0x1c/0x2f0
[ 622.464583][ T8826] tun_chr_write_iter+0x113/0x200
[ 622.464648][ T8826] vfs_write+0x612/0xba0
[ 622.464764][ T8826] ? __pfx_vfs_write+0x10/0x10
[ 622.464872][ T8826] ? do_sys_openat2+0x14e/0x200
[ 622.464969][ T8826] ksys_write+0x150/0x270
[ 622.465070][ T8826] ? __pfx_ksys_write+0x10/0x10
[ 622.465177][ T8826] __do_fast_syscall_32+0x27a/0x6a0
[ 622.465250][ T8826] ? do_fast_syscall_32+0x33/0x70
[ 622.465331][ T8826] ? irqentry_exit+0x10f/0x910
[ 622.465404][ T8826] do_fast_syscall_32+0x33/0x70
[ 622.465469][ T8826] entry_SYSENTER_compat_after_hwframe+0x84/0x8e
[ 622.465541][ T8826] RIP: 0023:0xf7dbf0ec
[ 622.465560][ T8826] Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8
[ 622.465579][ T8826] RSP: 002b:00000000f7f8fcec EFLAGS: 00000206 ORIG_RAX: 0000000000000004
[ 622.465602][ T8826] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000800
[ 622.465617][ T8826] RDX: 0000000000000026 RSI: 00000000f7e3c24d RDI: 0000000000000006
[ 622.465631][ T8826] RBP: 00000000000000bd R08: 0000000000000000 R09: 0000000000000000
[ 622.465663][ T8826] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[ 622.465705][ T8826] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 622.465826][ T8826]
[ 622.476909][ T8826] batman_adv: batadv0: Interface deactivated: syzkaller0
[ 622.552753][ T8826] batman_adv: batadv0: Removing interface: syzkaller0
[ 622.706072][ T8827] batman_adv: batadv0: Adding interface: syzkaller0
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 622.706161][ T8827] batman_adv: batadv0: The MTU of interface syzkaller0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 622.706255][ T8827] batman_adv: batadv0: Interface activated: syzkaller0
[ 622.711614][ T8827] FAULT_INJECTION: forcing a failure.
[ 622.711614][ T8827] name failslab, interval 1, probability 0, space 0, times 0
executing program
[ 622.711768][ T8827] CPU: 1 UID: 0 PID: 8827 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 622.711861][ T8827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 622.711901][ T8827] Call Trace:
[ 622.711924][ T8827]
[ 622.711954][ T8827] dump_stack_lvl+0xe8/0x150
[ 622.712052][ T8827] should_fail_ex+0x410/0x560
[ 622.712136][ T8827] should_failslab+0xa8/0x100
[ 622.712213][ T8827] __kmalloc_cache_noprof+0xa3/0x600
[ 622.712283][ T8827] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 622.712375][ T8827] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 622.712489][ T8827] batadv_neigh_ifinfo_new+0x95/0x300
[ 622.712604][ T8827] batadv_iv_ogm_process_per_outif+0x1819/0x2790
[ 622.712755][ T8827] ? batadv_iv_ogm_process_per_outif+0x101a/0x2790
[ 622.713017][ T8827] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 622.713055][ T8827] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 622.713093][ T8827] ? batadv_iv_ogm_orig_get+0x31/0x5c0
[ 622.713125][ T8827] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 622.713161][ T8827] batadv_iv_ogm_receive+0xc13/0x1740
[ 622.713252][ T8827] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 622.713381][ T8827] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 622.713489][ T8827] ? rcu_is_watching+0x16/0xb0
[ 622.713565][ T8827] ? __alloc_skb+0x27a/0x7a0
[ 622.713636][ T8827] ? trace_kmem_cache_alloc+0x29/0xe0
[ 622.713755][ T8827] batadv_batman_skb_recv+0x4b6/0x870
[ 622.713868][ T8827] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 622.713957][ T8827] ? netif_receive_skb+0x102/0xbf0
[ 622.714054][ T8827] ? netif_receive_skb+0x102/0xbf0
[ 622.714137][ T8827] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 622.714212][ T8827] netif_receive_skb+0x4af/0xbf0
[ 622.714323][ T8827] ? __pfx_netif_receive_skb+0x10/0x10
[ 622.714433][ T8827] ? tun_rx_batched+0x185/0x790
[ 622.714511][ T8827] tun_rx_batched+0x1de/0x790
[ 622.714590][ T8827] ? __pfx_tun_rx_batched+0x10/0x10
[ 622.714673][ T8827] ? lock_acquire+0x115/0x350
[ 622.714759][ T8827] ? tun_get_user+0x23ba/0x44d0
[ 622.714831][ T8827] ? __local_bh_enable_ip+0xd6/0x140
[ 622.714917][ T8827] ? tun_get_user+0x27b0/0x44d0
[ 622.714991][ T8827] tun_get_user+0x2be0/0x44d0
[ 622.715098][ T8827] ? tun_get_user+0x27b0/0x44d0
[ 622.715176][ T8827] ? aa_file_perm+0x4ed/0x15f0
[ 622.715259][ T8827] ? __pfx_tun_get_user+0x10/0x10
[ 622.715325][ T8827] ? __lock_acquire+0x747/0x2de0
[ 622.715384][ T8827] ? kstrtoull+0x137/0x1d0
[ 622.715498][ T8827] ? ref_tracker_alloc+0x341/0x4b0
[ 622.715564][ T8827] ? lock_acquire+0x115/0x350
[ 622.715626][ T8827] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 622.715707][ T8827] ? lock_acquire+0x115/0x350
[ 622.715769][ T8827] ? tun_get+0x1c/0x2f0
[ 622.716082][ T8827] ? tun_get+0x1c/0x2f0
[ 622.716150][ T8827] ? tun_get+0x1c/0x2f0
[ 622.716240][ T8827] tun_chr_write_iter+0x113/0x200
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 622.716314][ T8827] vfs_write+0x612/0xba0
[ 622.716425][ T8827] ? __pfx_vfs_write+0x10/0x10
[ 622.716546][ T8827] ? do_sys_openat2+0x14e/0x200
[ 622.716695][ T8827] ksys_write+0x150/0x270
[ 622.716785][ T8827] ? __pfx_ksys_write+0x10/0x10
[ 622.716913][ T8827] __do_fast_syscall_32+0x27a/0x6a0
[ 622.716989][ T8827] ? do_fast_syscall_32+0x33/0x70
[ 622.717062][ T8827] ? irqentry_exit+0x10f/0x910
[ 622.717134][ T8827] do_fast_syscall_32+0x33/0x70
executing program
[ 622.717207][ T8827] entry_SYSENTER_compat_after_hwframe+0x84/0x8e
[ 622.717276][ T8827] RIP: 0023:0xf7dbf0ec
[ 622.717342][ T8827] Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8
[ 622.717396][ T8827] RSP: 002b:00000000f7f8fcec EFLAGS: 00000206 ORIG_RAX: 0000000000000004
[ 622.717491][ T8827] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000800
[ 622.717582][ T8827] RDX: 0000000000000026 RSI: 00000000f7e3c24d RDI: 0000000000000006
[ 622.717624][ T8827] RBP: 00000000000000be R08: 0000000000000000 R09: 0000000000000000
[ 622.717658][ T8827] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[ 622.717670][ T8827] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 622.717707][ T8827]
[ 622.747761][ T8827] batman_adv: batadv0: Interface deactivated: syzkaller0
[ 622.848120][ T8827] batman_adv: batadv0: Removing interface: syzkaller0
[ 623.048109][ T8828] batman_adv: batadv0: Adding interface: syzkaller0
[ 623.048170][ T8828] batman_adv: batadv0: The MTU of interface syzkaller0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 623.048265][ T8828] batman_adv: batadv0: Interface activated: syzkaller0
[ 623.053494][ T8828] FAULT_INJECTION: forcing a failure.
[ 623.053494][ T8828] name failslab, interval 1, probability 0, space 0, times 0
[ 623.053696][ T8828] CPU: 1 UID: 0 PID: 8828 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 623.053767][ T8828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 623.053849][ T8828] Call Trace:
[ 623.053872][ T8828]
[ 623.053901][ T8828] dump_stack_lvl+0xe8/0x150
[ 623.054007][ T8828] should_fail_ex+0x410/0x560
[ 623.054092][ T8828] should_failslab+0xa8/0x100
[ 623.054177][ T8828] __kmalloc_cache_noprof+0xa3/0x600
[ 623.054241][ T8828] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 623.054346][ T8828] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 623.054466][ T8828] batadv_neigh_ifinfo_new+0x95/0x300
[ 623.054564][ T8828] batadv_iv_ogm_process_per_outif+0x1819/0x2790
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 623.054698][ T8828] ? batadv_iv_ogm_process_per_outif+0x101a/0x2790
[ 623.054784][ T8828] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 623.054882][ T8828] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 623.055005][ T8828] ? batadv_iv_ogm_orig_get+0x31/0x5c0
[ 623.055103][ T8828] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 623.055220][ T8828] batadv_iv_ogm_receive+0xc13/0x1740
[ 623.055338][ T8828] ? batadv_iv_ogm_receive+0x4b1/0x1740
executing program
[ 623.055467][ T8828] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 623.055580][ T8828] ? rcu_is_watching+0x16/0xb0
[ 623.055652][ T8828] ? __alloc_skb+0x27a/0x7a0
[ 623.055715][ T8828] ? trace_kmem_cache_alloc+0x29/0xe0
[ 623.055826][ T8828] batadv_batman_skb_recv+0x4b6/0x870
[ 623.055902][ T8828] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 623.055995][ T8828] ? netif_receive_skb+0x102/0xbf0
[ 623.056081][ T8828] ? netif_receive_skb+0x102/0xbf0
[ 623.056172][ T8828] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 623.056237][ T8828] netif_receive_skb+0x4af/0xbf0
[ 623.056342][ T8828] ? __pfx_netif_receive_skb+0x10/0x10
[ 623.056459][ T8828] ? tun_rx_batched+0x185/0x790
[ 623.056539][ T8828] tun_rx_batched+0x1de/0x790
[ 623.056635][ T8828] ? __pfx_tun_rx_batched+0x10/0x10
[ 623.056699][ T8828] ? lock_acquire+0x115/0x350
[ 623.056813][ T8828] ? tun_get_user+0x23ba/0x44d0
[ 623.056869][ T8828] ? __local_bh_enable_ip+0xd6/0x140
[ 623.056962][ T8828] ? tun_get_user+0x27b0/0x44d0
[ 623.057034][ T8828] tun_get_user+0x2be0/0x44d0
[ 623.057130][ T8828] ? tun_get_user+0x27b0/0x44d0
[ 623.057205][ T8828] ? aa_file_perm+0x4ed/0x15f0
[ 623.057285][ T8828] ? __pfx_tun_get_user+0x10/0x10
[ 623.057350][ T8828] ? __lock_acquire+0x747/0x2de0
[ 623.057422][ T8828] ? kstrtoull+0x137/0x1d0
[ 623.057548][ T8828] ? ref_tracker_alloc+0x341/0x4b0
[ 623.057613][ T8828] ? lock_acquire+0x115/0x350
[ 623.057683][ T8828] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 623.057759][ T8828] ? lock_acquire+0x115/0x350
[ 623.057815][ T8828] ? tun_get+0x1c/0x2f0
[ 623.057891][ T8828] ? tun_get+0x1c/0x2f0
[ 623.057963][ T8828] ? tun_get+0x1c/0x2f0
[ 623.058052][ T8828] tun_chr_write_iter+0x113/0x200
[ 623.058138][ T8828] vfs_write+0x612/0xba0
[ 623.058244][ T8828] ? __pfx_vfs_write+0x10/0x10
[ 623.058358][ T8828] ? do_sys_openat2+0x14e/0x200
[ 623.058464][ T8828] ksys_write+0x150/0x270
[ 623.058552][ T8828] ? __pfx_ksys_write+0x10/0x10
[ 623.058684][ T8828] __do_fast_syscall_32+0x27a/0x6a0
[ 623.058759][ T8828] ? do_fast_syscall_32+0x33/0x70
[ 623.058823][ T8828] ? irqentry_exit+0x10f/0x910
[ 623.058893][ T8828] ? trace_irq_disable+0x3b/0x140
[ 623.058976][ T8828] do_fast_syscall_32+0x33/0x70
[ 623.059047][ T8828] entry_SYSENTER_compat_after_hwframe+0x84/0x8e
[ 623.059113][ T8828] RIP: 0023:0xf7dbf0ec
[ 623.059166][ T8828] Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8
[ 623.059219][ T8828] RSP: 002b:00000000f7f8fcec EFLAGS: 00000206 ORIG_RAX: 0000000000000004
[ 623.059282][ T8828] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000800
[ 623.059325][ T8828] RDX: 0000000000000026 RSI: 00000000f7e3c24d RDI: 0000000000000006
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 623.059359][ T8828] RBP: 00000000000000bf R08: 0000000000000000 R09: 0000000000000000
[ 623.059400][ T8828] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[ 623.059441][ T8828] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 623.059528][ T8828]
[ 623.085706][ T8828] batman_adv: batadv0: Interface deactivated: syzkaller0
[ 623.159145][ T8828] batman_adv: batadv0: Removing interface: syzkaller0
[ 623.378683][ T8829] batman_adv: batadv0: Adding interface: syzkaller0
executing program
[ 623.378750][ T8829] batman_adv: batadv0: The MTU of interface syzkaller0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 623.378844][ T8829] batman_adv: batadv0: Interface activated: syzkaller0
[ 623.385731][ T8829] FAULT_INJECTION: forcing a failure.
[ 623.385731][ T8829] name failslab, interval 1, probability 0, space 0, times 0
[ 623.385887][ T8829] CPU: 1 UID: 0 PID: 8829 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 623.385968][ T8829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 623.386015][ T8829] Call Trace:
[ 623.386041][ T8829]
[ 623.386073][ T8829] dump_stack_lvl+0xe8/0x150
[ 623.386182][ T8829] should_fail_ex+0x410/0x560
[ 623.386296][ T8829] should_failslab+0xa8/0x100
[ 623.386388][ T8829] __kmalloc_cache_noprof+0xa3/0x600
[ 623.386460][ T8829] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 623.386563][ T8829] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 623.386709][ T8829] batadv_neigh_ifinfo_new+0x95/0x300
[ 623.386847][ T8829] batadv_iv_ogm_process_per_outif+0x1819/0x2790
[ 623.386990][ T8829] ? batadv_iv_ogm_process_per_outif+0x101a/0x2790
[ 623.387102][ T8829] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 623.387210][ T8829] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 623.387337][ T8829] ? batadv_iv_ogm_orig_get+0x31/0x5c0
[ 623.387431][ T8829] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 623.387547][ T8829] batadv_iv_ogm_receive+0xc13/0x1740
[ 623.387677][ T8829] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 623.387803][ T8829] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 623.387911][ T8829] ? rcu_is_watching+0x16/0xb0
[ 623.387991][ T8829] ? __alloc_skb+0x27a/0x7a0
[ 623.388069][ T8829] ? trace_kmem_cache_alloc+0x29/0xe0
[ 623.388209][ T8829] batadv_batman_skb_recv+0x4b6/0x870
[ 623.388302][ T8829] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 623.388393][ T8829] ? netif_receive_skb+0x102/0xbf0
[ 623.388492][ T8829] ? netif_receive_skb+0x102/0xbf0
[ 623.388597][ T8829] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 623.388686][ T8829] netif_receive_skb+0x4af/0xbf0
[ 623.388802][ T8829] ? __pfx_netif_receive_skb+0x10/0x10
[ 623.388919][ T8829] ? tun_rx_batched+0x185/0x790
[ 623.388993][ T8829] tun_rx_batched+0x1de/0x790
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 623.389087][ T8829] ? __pfx_tun_rx_batched+0x10/0x10
[ 623.389158][ T8829] ? lock_acquire+0x115/0x350
[ 623.389253][ T8829] ? tun_get_user+0x23ba/0x44d0
[ 623.389342][ T8829] ? __local_bh_enable_ip+0xd6/0x140
[ 623.389426][ T8829] ? tun_get_user+0x27b0/0x44d0
[ 623.389515][ T8829] tun_get_user+0x2be0/0x44d0
[ 623.389630][ T8829] ? tun_get_user+0x27b0/0x44d0
[ 623.389720][ T8829] ? aa_file_perm+0x4ed/0x15f0
[ 623.389808][ T8829] ? __pfx_tun_get_user+0x10/0x10
executing program
[ 623.389890][ T8829] ? __lock_acquire+0x747/0x2de0
[ 623.389969][ T8829] ? kstrtoull+0x137/0x1d0
[ 623.390095][ T8829] ? ref_tracker_alloc+0x341/0x4b0
[ 623.390174][ T8829] ? lock_acquire+0x115/0x350
[ 623.390243][ T8829] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 623.390326][ T8829] ? lock_acquire+0x115/0x350
[ 623.390403][ T8829] ? tun_get+0x1c/0x2f0
[ 623.390464][ T8829] ? tun_get+0x1c/0x2f0
[ 623.390544][ T8829] ? tun_get+0x1c/0x2f0
[ 623.390645][ T8829] tun_chr_write_iter+0x113/0x200
[ 623.390726][ T8829] vfs_write+0x612/0xba0
[ 623.390847][ T8829] ? __pfx_vfs_write+0x10/0x10
[ 623.390955][ T8829] ? do_sys_openat2+0x14e/0x200
[ 623.391069][ T8829] ksys_write+0x150/0x270
[ 623.391174][ T8829] ? __pfx_ksys_write+0x10/0x10
[ 623.391493][ T8829] __do_fast_syscall_32+0x27a/0x6a0
[ 623.391577][ T8829] ? do_fast_syscall_32+0x33/0x70
[ 623.391657][ T8829] ? irqentry_exit+0x10f/0x910
[ 623.391724][ T8829] ? trace_irq_disable+0x3b/0x140
[ 623.391791][ T8829] do_fast_syscall_32+0x33/0x70
[ 623.391872][ T8829] entry_SYSENTER_compat_after_hwframe+0x84/0x8e
[ 623.391953][ T8829] RIP: 0023:0xf7dbf0ec
[ 623.392020][ T8829] Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8
[ 623.392088][ T8829] RSP: 002b:00000000f7f8fcec EFLAGS: 00000206 ORIG_RAX: 0000000000000004
[ 623.392175][ T8829] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000800
[ 623.392229][ T8829] RDX: 0000000000000026 RSI: 00000000f7e3c24d RDI: 0000000000000006
[ 623.392292][ T8829] RBP: 00000000000000c0 R08: 0000000000000000 R09: 0000000000000000
[ 623.392338][ T8829] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[ 623.392385][ T8829] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 623.392465][ T8829]
[ 623.402865][ T8829] batman_adv: batadv0: Interface deactivated: syzkaller0
[ 623.510669][ T8829] batman_adv: batadv0: Removing interface: syzkaller0
[ 623.687684][ T8830] batman_adv: batadv0: Adding interface: syzkaller0
[ 623.687749][ T8830] batman_adv: batadv0: The MTU of interface syzkaller0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 623.687837][ T8830] batman_adv: batadv0: Interface activated: syzkaller0
[ 623.693689][ T8830] FAULT_INJECTION: forcing a failure.
[ 623.693689][ T8830] name failslab, interval 1, probability 0, space 0, times 0
[ 623.693827][ T8830] CPU: 0 UID: 0 PID: 8830 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 623.693892][ T8830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 623.693933][ T8830] Call Trace:
[ 623.693956][ T8830]
[ 623.693979][ T8830] dump_stack_lvl+0xe8/0x150
[ 623.694085][ T8830] should_fail_ex+0x410/0x560
[ 623.694163][ T8830] should_failslab+0xa8/0x100
[ 623.694251][ T8830] __kmalloc_cache_noprof+0xa3/0x600
[ 623.694321][ T8830] ? batadv_neigh_ifinfo_new+0x95/0x300
executing program
[ 623.694424][ T8830] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 623.694554][ T8830] batadv_neigh_ifinfo_new+0x95/0x300
[ 623.694659][ T8830] batadv_iv_ogm_process_per_outif+0x52e/0x2790
[ 623.694827][ T8830] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 623.694924][ T8830] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 623.695042][ T8830] ? netdev_lower_get_next_private_rcu+0x9f/0x100
[ 623.695127][ T8830] batadv_iv_ogm_receive+0x11c7/0x1740
[ 623.695255][ T8830] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 623.695393][ T8830] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 623.695481][ T8830] ? rcu_is_watching+0x16/0xb0
[ 623.695554][ T8830] ? __alloc_skb+0x27a/0x7a0
[ 623.695616][ T8830] ? trace_kmem_cache_alloc+0x29/0xe0
[ 623.695719][ T8830] batadv_batman_skb_recv+0x4b6/0x870
[ 623.695813][ T8830] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 623.695911][ T8830] ? netif_receive_skb+0x102/0xbf0
[ 623.695997][ T8830] ? netif_receive_skb+0x102/0xbf0
[ 623.696082][ T8830] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 623.696154][ T8830] netif_receive_skb+0x4af/0xbf0
[ 623.696264][ T8830] ? __pfx_netif_receive_skb+0x10/0x10
[ 623.696370][ T8830] ? tun_rx_batched+0x185/0x790
[ 623.696445][ T8830] tun_rx_batched+0x1de/0x790
[ 623.696527][ T8830] ? __pfx_tun_rx_batched+0x10/0x10
[ 623.696592][ T8830] ? lock_acquire+0x115/0x350
[ 623.696676][ T8830] ? tun_get_user+0x23ba/0x44d0
[ 623.696766][ T8830] ? __local_bh_enable_ip+0xd6/0x140
[ 623.696836][ T8830] ? tun_get_user+0x27b0/0x44d0
[ 623.696909][ T8830] tun_get_user+0x2be0/0x44d0
[ 623.696961][ T8830] ? tun_get_user+0x27b0/0x44d0
[ 623.696989][ T8830] ? aa_file_perm+0x4ed/0x15f0
[ 623.697017][ T8830] ? __pfx_tun_get_user+0x10/0x10
[ 623.697042][ T8830] ? __lock_acquire+0x747/0x2de0
[ 623.697067][ T8830] ? kstrtoull+0x137/0x1d0
[ 623.697107][ T8830] ? ref_tracker_alloc+0x341/0x4b0
[ 623.697134][ T8830] ? lock_acquire+0x115/0x350
[ 623.697159][ T8830] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 623.697188][ T8830] ? lock_acquire+0x115/0x350
[ 623.697237][ T8830] ? tun_get+0x1c/0x2f0
[ 623.697333][ T8830] ? tun_get+0x1c/0x2f0
[ 623.697410][ T8830] ? tun_get+0x1c/0x2f0
[ 623.697509][ T8830] tun_chr_write_iter+0x113/0x200
[ 623.697582][ T8830] vfs_write+0x612/0xba0
[ 623.697650][ T8830] ? __pfx_vfs_write+0x10/0x10
[ 623.697683][ T8830] ? do_sys_openat2+0x14e/0x200
[ 623.697712][ T8830] ksys_write+0x150/0x270
[ 623.697821][ T8830] ? __pfx_ksys_write+0x10/0x10
[ 623.697938][ T8830] __do_fast_syscall_32+0x27a/0x6a0
[ 623.698011][ T8830] ? do_fast_syscall_32+0x33/0x70
[ 623.698086][ T8830] ? irqentry_exit+0x10f/0x910
[ 623.698160][ T8830] do_fast_syscall_32+0x33/0x70
[ 623.698229][ T8830] entry_SYSENTER_compat_after_hwframe+0x84/0x8e
[ 623.698302][ T8830] RIP: 0023:0xf7dbf0ec
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 623.698365][ T8830] Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8
[ 623.698418][ T8830] RSP: 002b:00000000f7f8fcec EFLAGS: 00000206 ORIG_RAX: 0000000000000004
[ 623.698501][ T8830] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000800
[ 623.698543][ T8830] RDX: 0000000000000026 RSI: 00000000f7e3c24d RDI: 0000000000000006
executing program
[ 623.698584][ T8830] RBP: 00000000000000c1 R08: 0000000000000000 R09: 0000000000000000
[ 623.698618][ T8830] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[ 623.698657][ T8830] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 623.698751][ T8830]
[ 623.704613][ T8830] batman_adv: batadv0: Interface deactivated: syzkaller0
[ 623.802403][ T8830] batman_adv: batadv0: Removing interface: syzkaller0
[ 624.000129][ T8831] batman_adv: batadv0: Adding interface: syzkaller0
[ 624.000188][ T8831] batman_adv: batadv0: The MTU of interface syzkaller0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 624.000363][ T8831] batman_adv: batadv0: Interface activated: syzkaller0
[ 624.006900][ T8831] FAULT_INJECTION: forcing a failure.
[ 624.006900][ T8831] name failslab, interval 1, probability 0, space 0, times 0
[ 624.007004][ T8831] CPU: 0 UID: 0 PID: 8831 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 624.007075][ T8831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 624.007119][ T8831] Call Trace:
[ 624.007144][ T8831]
[ 624.007169][ T8831] dump_stack_lvl+0xe8/0x150
[ 624.007275][ T8831] should_fail_ex+0x410/0x560
[ 624.007377][ T8831] should_failslab+0xa8/0x100
[ 624.007472][ T8831] __kmalloc_cache_noprof+0xa3/0x600
[ 624.007564][ T8831] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 624.007671][ T8831] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 624.007799][ T8831] batadv_neigh_ifinfo_new+0x95/0x300
[ 624.007900][ T8831] batadv_iv_ogm_process_per_outif+0x52e/0x2790
[ 624.008092][ T8831] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 624.008221][ T8831] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 624.008342][ T8831] ? netdev_lower_get_next_private_rcu+0x9f/0x100
[ 624.008437][ T8831] batadv_iv_ogm_receive+0x11c7/0x1740
[ 624.008586][ T8831] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 624.008734][ T8831] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 624.008843][ T8831] ? rcu_is_watching+0x16/0xb0
[ 624.008918][ T8831] ? __alloc_skb+0x27a/0x7a0
[ 624.008987][ T8831] ? trace_kmem_cache_alloc+0x29/0xe0
[ 624.009105][ T8831] batadv_batman_skb_recv+0x4b6/0x870
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 624.009190][ T8831] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 624.009275][ T8831] ? netif_receive_skb+0x102/0xbf0
[ 624.009379][ T8831] ? netif_receive_skb+0x102/0xbf0
[ 624.009474][ T8831] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 624.009546][ T8831] netif_receive_skb+0x4af/0xbf0
[ 624.009673][ T8831] ? __pfx_netif_receive_skb+0x10/0x10
[ 624.009813][ T8831] ? tun_rx_batched+0x185/0x790
[ 624.009887][ T8831] tun_rx_batched+0x1de/0x790
executing program
[ 624.009980][ T8831] ? __pfx_tun_rx_batched+0x10/0x10
[ 624.010060][ T8831] ? lock_acquire+0x115/0x350
[ 624.010153][ T8831] ? tun_get_user+0x23ba/0x44d0
[ 624.010223][ T8831] ? __local_bh_enable_ip+0xd6/0x140
[ 624.010313][ T8831] ? tun_get_user+0x27b0/0x44d0
[ 624.010406][ T8831] tun_get_user+0x2be0/0x44d0
[ 624.010524][ T8831] ? tun_get_user+0x27b0/0x44d0
[ 624.010609][ T8831] ? aa_file_perm+0x4ed/0x15f0
[ 624.010694][ T8831] ? __pfx_tun_get_user+0x10/0x10
[ 624.010775][ T8831] ? __lock_acquire+0x747/0x2de0
[ 624.010851][ T8831] ? kstrtoull+0x137/0x1d0
[ 624.011007][ T8831] ? ref_tracker_alloc+0x341/0x4b0
[ 624.011097][ T8831] ? lock_acquire+0x115/0x350
[ 624.011175][ T8831] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 624.011276][ T8831] ? lock_acquire+0x115/0x350
[ 624.011570][ T8831] ? tun_get+0x1c/0x2f0
[ 624.011727][ T8831] ? tun_get+0x1c/0x2f0
[ 624.012061][ T8831] ? tun_get+0x1c/0x2f0
[ 624.012130][ T8831] tun_chr_write_iter+0x113/0x200
[ 624.012220][ T8831] vfs_write+0x612/0xba0
[ 624.012341][ T8831] ? __pfx_vfs_write+0x10/0x10
[ 624.012382][ T8831] ? do_sys_openat2+0x14e/0x200
[ 624.012452][ T8831] ksys_write+0x150/0x270
[ 624.012570][ T8831] ? __pfx_ksys_write+0x10/0x10
[ 624.012743][ T8831] __do_fast_syscall_32+0x27a/0x6a0
[ 624.012827][ T8831] ? do_fast_syscall_32+0x33/0x70
[ 624.012930][ T8831] ? irqentry_exit+0x10f/0x910
[ 624.012992][ T8831] ? trace_irq_disable+0x3b/0x140
[ 624.013074][ T8831] do_fast_syscall_32+0x33/0x70
[ 624.013154][ T8831] entry_SYSENTER_compat_after_hwframe+0x84/0x8e
[ 624.013236][ T8831] RIP: 0023:0xf7dbf0ec
[ 624.013306][ T8831] Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8
[ 624.013359][ T8831] RSP: 002b:00000000f7f8fcec EFLAGS: 00000206 ORIG_RAX: 0000000000000004
[ 624.013439][ T8831] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000800
[ 624.013486][ T8831] RDX: 0000000000000026 RSI: 00000000f7e3c24d RDI: 0000000000000006
[ 624.013525][ T8831] RBP: 00000000000000c2 R08: 0000000000000000 R09: 0000000000000000
[ 624.013562][ T8831] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[ 624.013577][ T8831] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 624.013612][ T8831]
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
executing program
[ 624.023211][ T8831] batman_adv: batadv0: Interface deactivated: syzkaller0
[ 624.109321][ T8831] batman_adv: batadv0: Removing interface: syzkaller0
[ 624.286520][ T8832] batman_adv: batadv0: Adding interface: syzkaller0
[ 624.286585][ T8832] batman_adv: batadv0: The MTU of interface syzkaller0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 624.286702][ T8832] batman_adv: batadv0: Interface activated: syzkaller0
[ 624.297524][ T8832] FAULT_INJECTION: forcing a failure.
[ 624.297524][ T8832] name failslab, interval 1, probability 0, space 0, times 0
[ 624.297627][ T8832] CPU: 0 UID: 0 PID: 8832 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 624.297697][ T8832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 624.297742][ T8832] Call Trace:
[ 624.297767][ T8832]
[ 624.297792][ T8832] dump_stack_lvl+0xe8/0x150
[ 624.297914][ T8832] should_fail_ex+0x410/0x560
[ 624.298008][ T8832] should_failslab+0xa8/0x100
[ 624.298100][ T8832] __kmalloc_cache_noprof+0xa3/0x600
[ 624.298171][ T8832] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 624.298277][ T8832] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 624.298405][ T8832] batadv_neigh_ifinfo_new+0x95/0x300
[ 624.298521][ T8832] batadv_iv_ogm_process_per_outif+0x1819/0x2790
[ 624.298664][ T8832] ? batadv_iv_ogm_process_per_outif+0x101a/0x2790
[ 624.298806][ T8832] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 624.298935][ T8832] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 624.299051][ T8832] ? batadv_iv_ogm_orig_get+0x31/0x5c0
[ 624.299143][ T8832] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 624.299262][ T8832] batadv_iv_ogm_receive+0xc13/0x1740
[ 624.299411][ T8832] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 624.299553][ T8832] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 624.299657][ T8832] ? rcu_is_watching+0x16/0xb0
[ 624.299738][ T8832] ? __alloc_skb+0x27a/0x7a0
[ 624.299808][ T8832] ? trace_kmem_cache_alloc+0x29/0xe0
[ 624.299890][ T8832] batadv_batman_skb_recv+0x4b6/0x870
[ 624.299945][ T8832] ? __pfx_batadv_batman_skb_recv+0x10/0x10
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 624.300038][ T8832] ? netif_receive_skb+0x102/0xbf0
[ 624.300151][ T8832] ? netif_receive_skb+0x102/0xbf0
[ 624.300255][ T8832] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 624.300327][ T8832] netif_receive_skb+0x4af/0xbf0
[ 624.300476][ T8832] ? __pfx_netif_receive_skb+0x10/0x10
[ 624.300621][ T8832] ? tun_rx_batched+0x185/0x790
[ 624.300715][ T8832] tun_rx_batched+0x1de/0x790
[ 624.300829][ T8832] ? __pfx_tun_rx_batched+0x10/0x10
[ 624.300914][ T8832] ? lock_acquire+0x115/0x350
[ 624.301001][ T8832] ? tun_get_user+0x23ba/0x44d0
[ 624.301069][ T8832] ? __local_bh_enable_ip+0xd6/0x140
[ 624.301161][ T8832] ? tun_get_user+0x27b0/0x44d0
[ 624.301233][ T8832] tun_get_user+0x2be0/0x44d0
[ 624.301339][ T8832] ? tun_get_user+0x27b0/0x44d0
executing program
[ 624.301443][ T8832] ? aa_file_perm+0x4ed/0x15f0
[ 624.301534][ T8832] ? __pfx_tun_get_user+0x10/0x10
[ 624.301615][ T8832] ? __lock_acquire+0x747/0x2de0
[ 624.301696][ T8832] ? kstrtoull+0x137/0x1d0
[ 624.301814][ T8832] ? ref_tracker_alloc+0x341/0x4b0
[ 624.301886][ T8832] ? lock_acquire+0x115/0x350
[ 624.301992][ T8832] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 624.302111][ T8832] ? lock_acquire+0x115/0x350
[ 624.302206][ T8832] ? tun_get+0x1c/0x2f0
[ 624.302341][ T8832] ? tun_get+0x1c/0x2f0
[ 624.302411][ T8832] ? tun_get+0x1c/0x2f0
[ 624.302494][ T8832] tun_chr_write_iter+0x113/0x200
[ 624.302575][ T8832] vfs_write+0x612/0xba0
[ 624.302703][ T8832] ? __pfx_vfs_write+0x10/0x10
[ 624.302856][ T8832] ? do_sys_openat2+0x14e/0x200
[ 624.302950][ T8832] ksys_write+0x150/0x270
[ 624.303056][ T8832] ? __pfx_ksys_write+0x10/0x10
[ 624.303187][ T8832] __do_fast_syscall_32+0x27a/0x6a0
[ 624.303269][ T8832] ? do_fast_syscall_32+0x33/0x70
[ 624.303341][ T8832] ? irqentry_exit+0x10f/0x910
[ 624.303420][ T8832] ? trace_irq_disable+0x3b/0x140
[ 624.303511][ T8832] do_fast_syscall_32+0x33/0x70
[ 624.303622][ T8832] entry_SYSENTER_compat_after_hwframe+0x84/0x8e
[ 624.303756][ T8832] RIP: 0023:0xf7dbf0ec
[ 624.303818][ T8832] Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8
[ 624.303904][ T8832] RSP: 002b:00000000f7f8fcec EFLAGS: 00000206 ORIG_RAX: 0000000000000004
[ 624.304009][ T8832] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000800
[ 624.304065][ T8832] RDX: 0000000000000026 RSI: 00000000f7e3c24d RDI: 0000000000000006
[ 624.304106][ T8832] RBP: 00000000000000c3 R08: 0000000000000000 R09: 0000000000000000
[ 624.304151][ T8832] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[ 624.304199][ T8832] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 624.304294][ T8832]
[ 624.316839][ T8832] batman_adv: batadv0: Interface deactivated: syzkaller0
[ 624.400288][ T8832] batman_adv: batadv0: Removing interface: syzkaller0
[ 624.593301][ T8833] batman_adv: batadv0: Adding interface: syzkaller0
[ 624.593355][ T8833] batman_adv: batadv0: The MTU of interface syzkaller0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 624.593441][ T8833] batman_adv: batadv0: Interface activated: syzkaller0
[ 624.598606][ T8833] FAULT_INJECTION: forcing a failure.
[ 624.598606][ T8833] name failslab, interval 1, probability 0, space 0, times 0
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 624.598697][ T8833] CPU: 0 UID: 0 PID: 8833 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 624.598762][ T8833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 624.598795][ T8833] Call Trace:
[ 624.598826][ T8833]
[ 624.598850][ T8833] dump_stack_lvl+0xe8/0x150
[ 624.598955][ T8833] should_fail_ex+0x410/0x560
[ 624.599040][ T8833] should_failslab+0xa8/0x100
[ 624.599154][ T8833] __kmalloc_cache_noprof+0xa3/0x600
executing program
[ 624.599219][ T8833] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 624.599313][ T8833] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 624.599458][ T8833] batadv_neigh_ifinfo_new+0x95/0x300
[ 624.599566][ T8833] batadv_iv_ogm_process_per_outif+0x52e/0x2790
[ 624.599678][ T8833] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 624.599775][ T8833] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 624.599889][ T8833] ? netdev_lower_get_next_private_rcu+0x9f/0x100
[ 624.599993][ T8833] batadv_iv_ogm_receive+0x11c7/0x1740
[ 624.600121][ T8833] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 624.600270][ T8833] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 624.600366][ T8833] ? rcu_is_watching+0x16/0xb0
[ 624.600432][ T8833] ? __alloc_skb+0x27a/0x7a0
[ 624.600496][ T8833] ? trace_kmem_cache_alloc+0x29/0xe0
[ 624.600615][ T8833] batadv_batman_skb_recv+0x4b6/0x870
[ 624.600684][ T8833] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 624.600767][ T8833] ? netif_receive_skb+0x102/0xbf0
[ 624.600845][ T8833] ? netif_receive_skb+0x102/0xbf0
[ 624.600929][ T8833] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 624.600993][ T8833] netif_receive_skb+0x4af/0xbf0
[ 624.601098][ T8833] ? __pfx_netif_receive_skb+0x10/0x10
[ 624.601223][ T8833] ? tun_rx_batched+0x185/0x790
[ 624.601297][ T8833] tun_rx_batched+0x1de/0x790
[ 624.601364][ T8833] ? __pfx_tun_rx_batched+0x10/0x10
[ 624.601387][ T8833] ? lock_acquire+0x115/0x350
[ 624.601416][ T8833] ? tun_get_user+0x23ba/0x44d0
[ 624.601446][ T8833] ? __local_bh_enable_ip+0xd6/0x140
[ 624.601539][ T8833] ? tun_get_user+0x27b0/0x44d0
[ 624.601646][ T8833] tun_get_user+0x2be0/0x44d0
[ 624.601745][ T8833] ? tun_get_user+0x27b0/0x44d0
[ 624.601828][ T8833] ? aa_file_perm+0x4ed/0x15f0
[ 624.601904][ T8833] ? __pfx_tun_get_user+0x10/0x10
[ 624.601977][ T8833] ? __lock_acquire+0x747/0x2de0
[ 624.602043][ T8833] ? kstrtoull+0x137/0x1d0
[ 624.602158][ T8833] ? ref_tracker_alloc+0x341/0x4b0
[ 624.602224][ T8833] ? lock_acquire+0x115/0x350
[ 624.602288][ T8833] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 624.602372][ T8833] ? lock_acquire+0x115/0x350
[ 624.602433][ T8833] ? tun_get+0x1c/0x2f0
[ 624.602508][ T8833] ? tun_get+0x1c/0x2f0
[ 624.602562][ T8833] ? tun_get+0x1c/0x2f0
[ 624.602640][ T8833] tun_chr_write_iter+0x113/0x200
[ 624.602707][ T8833] vfs_write+0x612/0xba0
[ 624.602820][ T8833] ? __pfx_vfs_write+0x10/0x10
[ 624.602930][ T8833] ? do_sys_openat2+0x14e/0x200
[ 624.603049][ T8833] ksys_write+0x150/0x270
[ 624.603160][ T8833] ? __pfx_ksys_write+0x10/0x10
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 624.603278][ T8833] __do_fast_syscall_32+0x27a/0x6a0
[ 624.603351][ T8833] ? do_fast_syscall_32+0x33/0x70
[ 624.603416][ T8833] ? irqentry_exit+0x10f/0x910
[ 624.603469][ T8833] ? trace_irq_disable+0x3b/0x140
[ 624.603542][ T8833] do_fast_syscall_32+0x33/0x70
[ 624.603607][ T8833] entry_SYSENTER_compat_after_hwframe+0x84/0x8e
[ 624.603674][ T8833] RIP: 0023:0xf7dbf0ec
executing program
[ 624.603728][ T8833] Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8
[ 624.603781][ T8833] RSP: 002b:00000000f7f8fcec EFLAGS: 00000206 ORIG_RAX: 0000000000000004
[ 624.603844][ T8833] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000800
[ 624.603896][ T8833] RDX: 0000000000000026 RSI: 00000000f7e3c24d RDI: 0000000000000006
[ 624.603930][ T8833] RBP: 00000000000000c4 R08: 0000000000000000 R09: 0000000000000000
[ 624.603970][ T8833] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[ 624.604004][ T8833] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 624.604100][ T8833]
[ 624.624495][ T8833] batman_adv: batadv0: Interface deactivated: syzkaller0
[ 624.740121][ T8833] batman_adv: batadv0: Removing interface: syzkaller0
[ 624.941401][ T8834] batman_adv: batadv0: Adding interface: syzkaller0
[ 624.941419][ T8834] batman_adv: batadv0: The MTU of interface syzkaller0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 624.941448][ T8834] batman_adv: batadv0: Interface activated: syzkaller0
[ 624.944923][ T8834] FAULT_INJECTION: forcing a failure.
[ 624.944923][ T8834] name failslab, interval 1, probability 0, space 0, times 0
[ 624.945030][ T8834] CPU: 0 UID: 0 PID: 8834 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 624.945112][ T8834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 624.945153][ T8834] Call Trace:
[ 624.945176][ T8834]
[ 624.945199][ T8834] dump_stack_lvl+0xe8/0x150
[ 624.945298][ T8834] should_fail_ex+0x410/0x560
[ 624.945377][ T8834] should_failslab+0xa8/0x100
[ 624.945460][ T8834] __kmalloc_cache_noprof+0xa3/0x600
[ 624.945527][ T8834] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 624.945635][ T8834] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 624.945747][ T8834] batadv_neigh_ifinfo_new+0x95/0x300
[ 624.945848][ T8834] batadv_iv_ogm_process_per_outif+0x52e/0x2790
[ 624.945997][ T8834] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 624.946095][ T8834] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 624.946191][ T8834] ? netdev_lower_get_next_private_rcu+0x9f/0x100
[ 624.946275][ T8834] batadv_iv_ogm_receive+0x11c7/0x1740
[ 624.946406][ T8834] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 624.946557][ T8834] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 624.946655][ T8834] ? rcu_is_watching+0x16/0xb0
[ 624.946724][ T8834] ? __alloc_skb+0x27a/0x7a0
[ 624.946786][ T8834] ? trace_kmem_cache_alloc+0x29/0xe0
executing program
[ 624.946885][ T8834] batadv_batman_skb_recv+0x4b6/0x870
[ 624.946963][ T8834] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 624.947048][ T8834] ? netif_receive_skb+0x102/0xbf0
[ 624.947121][ T8834] ? netif_receive_skb+0x102/0xbf0
[ 624.947208][ T8834] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 624.947275][ T8834] netif_receive_skb+0x4af/0xbf0
[ 624.947386][ T8834] ? __pfx_netif_receive_skb+0x10/0x10
[ 624.947495][ T8834] ? tun_rx_batched+0x185/0x790
[ 624.947563][ T8834] tun_rx_batched+0x1de/0x790
[ 624.947965][ T8834] ? __pfx_tun_rx_batched+0x10/0x10
[ 624.948064][ T8834] ? lock_acquire+0x115/0x350
[ 624.948168][ T8834] ? tun_get_user+0x23ba/0x44d0
[ 624.948241][ T8834] ? __local_bh_enable_ip+0xd6/0x140
[ 624.948328][ T8834] ? tun_get_user+0x27b0/0x44d0
[ 624.948367][ T8834] tun_get_user+0x2be0/0x44d0
[ 624.948425][ T8834] ? tun_get_user+0x27b0/0x44d0
[ 624.948519][ T8834] ? aa_file_perm+0x4ed/0x15f0
[ 624.948625][ T8834] ? __pfx_tun_get_user+0x10/0x10
[ 624.948709][ T8834] ? __lock_acquire+0x747/0x2de0
[ 624.948822][ T8834] ? kstrtoull+0x137/0x1d0
[ 624.948968][ T8834] ? ref_tracker_alloc+0x341/0x4b0
[ 624.949061][ T8834] ? lock_acquire+0x115/0x350
[ 624.949136][ T8834] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 624.949223][ T8834] ? lock_acquire+0x115/0x350
[ 624.949296][ T8834] ? tun_get+0x1c/0x2f0
[ 624.949384][ T8834] ? tun_get+0x1c/0x2f0
[ 624.949473][ T8834] ? tun_get+0x1c/0x2f0
[ 624.949574][ T8834] tun_chr_write_iter+0x113/0x200
[ 624.949667][ T8834] vfs_write+0x612/0xba0
[ 624.949806][ T8834] ? __pfx_vfs_write+0x10/0x10
[ 624.949992][ T8834] ? do_sys_openat2+0x14e/0x200
[ 624.950119][ T8834] ksys_write+0x150/0x270
[ 624.950267][ T8834] ? __pfx_ksys_write+0x10/0x10
[ 624.950394][ T8834] __do_fast_syscall_32+0x27a/0x6a0
[ 624.950478][ T8834] ? do_fast_syscall_32+0x33/0x70
[ 624.950563][ T8834] ? irqentry_exit+0x10f/0x910
[ 624.950625][ T8834] ? trace_irq_disable+0x3b/0x140
[ 624.950715][ T8834] do_fast_syscall_32+0x33/0x70
[ 624.950789][ T8834] entry_SYSENTER_compat_after_hwframe+0x84/0x8e
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 624.950880][ T8834] RIP: 0023:0xf7dbf0ec
[ 624.950962][ T8834] Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8
[ 624.951002][ T8834] RSP: 002b:00000000f7f8fcec EFLAGS: 00000206 ORIG_RAX: 0000000000000004
executing program
[ 624.951037][ T8834] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000800
[ 624.951055][ T8834] RDX: 0000000000000026 RSI: 00000000f7e3c24d RDI: 0000000000000006
[ 624.951081][ T8834] RBP: 00000000000000c5 R08: 0000000000000000 R09: 0000000000000000
[ 624.951096][ T8834] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[ 624.951111][ T8834] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 624.951225][ T8834]
[ 624.987473][ T8834] batman_adv: batadv0: Interface deactivated: syzkaller0
[ 625.087278][ T8834] batman_adv: batadv0: Removing interface: syzkaller0
[ 625.359489][ T8835] batman_adv: batadv0: Adding interface: syzkaller0
[ 625.359557][ T8835] batman_adv: batadv0: The MTU of interface syzkaller0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 625.359656][ T8835] batman_adv: batadv0: Interface activated: syzkaller0
[ 625.365532][ T8835] FAULT_INJECTION: forcing a failure.
[ 625.365532][ T8835] name failslab, interval 1, probability 0, space 0, times 0
[ 625.365629][ T8835] CPU: 0 UID: 0 PID: 8835 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 625.365726][ T8835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 625.365761][ T8835] Call Trace:
[ 625.365789][ T8835]
[ 625.365812][ T8835] dump_stack_lvl+0xe8/0x150
[ 625.365911][ T8835] should_fail_ex+0x410/0x560
[ 625.365996][ T8835] should_failslab+0xa8/0x100
[ 625.366079][ T8835] __kmalloc_cache_noprof+0xa3/0x600
[ 625.366141][ T8835] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 625.366235][ T8835] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 625.366342][ T8835] batadv_neigh_ifinfo_new+0x95/0x300
[ 625.366446][ T8835] batadv_iv_ogm_process_per_outif+0x52e/0x2790
[ 625.366597][ T8835] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 625.366725][ T8835] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 625.366837][ T8835] ? netdev_lower_get_next_private_rcu+0x9f/0x100
[ 625.366919][ T8835] batadv_iv_ogm_receive+0x11c7/0x1740
[ 625.367047][ T8835] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 625.367150][ T8835] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 625.367225][ T8835] ? rcu_is_watching+0x16/0xb0
[ 625.367292][ T8835] ? __alloc_skb+0x27a/0x7a0
[ 625.367354][ T8835] ? trace_kmem_cache_alloc+0x29/0xe0
[ 625.367482][ T8835] batadv_batman_skb_recv+0x4b6/0x870
[ 625.367557][ T8835] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 625.367649][ T8835] ? netif_receive_skb+0x102/0xbf0
[ 625.367726][ T8835] ? netif_receive_skb+0x102/0xbf0
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
executing program
[ 625.367811][ T8835] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 625.367882][ T8835] netif_receive_skb+0x4af/0xbf0
[ 625.367982][ T8835] ? __pfx_netif_receive_skb+0x10/0x10
[ 625.368098][ T8835] ? tun_rx_batched+0x185/0x790
[ 625.368183][ T8835] tun_rx_batched+0x1de/0x790
[ 625.368294][ T8835] ? __pfx_tun_rx_batched+0x10/0x10
[ 625.368379][ T8835] ? lock_acquire+0x115/0x350
[ 625.368463][ T8835] ? tun_get_user+0x23ba/0x44d0
[ 625.368524][ T8835] ? __local_bh_enable_ip+0xd6/0x140
[ 625.368600][ T8835] ? tun_get_user+0x27b0/0x44d0
[ 625.368668][ T8835] tun_get_user+0x2be0/0x44d0
[ 625.368772][ T8835] ? tun_get_user+0x27b0/0x44d0
[ 625.368850][ T8835] ? aa_file_perm+0x4ed/0x15f0
[ 625.368926][ T8835] ? __pfx_tun_get_user+0x10/0x10
[ 625.368997][ T8835] ? __lock_acquire+0x747/0x2de0
[ 625.369062][ T8835] ? kstrtoull+0x137/0x1d0
[ 625.369165][ T8835] ? ref_tracker_alloc+0x341/0x4b0
[ 625.369229][ T8835] ? lock_acquire+0x115/0x350
[ 625.369291][ T8835] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 625.369373][ T8835] ? lock_acquire+0x115/0x350
[ 625.369428][ T8835] ? tun_get+0x1c/0x2f0
[ 625.369510][ T8835] ? tun_get+0x1c/0x2f0
[ 625.369567][ T8835] ? tun_get+0x1c/0x2f0
[ 625.369635][ T8835] tun_chr_write_iter+0x113/0x200
[ 625.369724][ T8835] vfs_write+0x612/0xba0
[ 625.369845][ T8835] ? __pfx_vfs_write+0x10/0x10
[ 625.369959][ T8835] ? do_sys_openat2+0x14e/0x200
[ 625.370056][ T8835] ksys_write+0x150/0x270
[ 625.370154][ T8835] ? __pfx_ksys_write+0x10/0x10
[ 625.370270][ T8835] __do_fast_syscall_32+0x27a/0x6a0
[ 625.370346][ T8835] ? do_fast_syscall_32+0x33/0x70
[ 625.370417][ T8835] ? irqentry_exit+0x10f/0x910
[ 625.370476][ T8835] ? trace_irq_disable+0x3b/0x140
[ 625.370549][ T8835] do_fast_syscall_32+0x33/0x70
[ 625.370622][ T8835] entry_SYSENTER_compat_after_hwframe+0x84/0x8e
[ 625.370696][ T8835] RIP: 0023:0xf7dbf0ec
[ 625.370771][ T8835] Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8
[ 625.370825][ T8835] RSP: 002b:00000000f7f8fcec EFLAGS: 00000206 ORIG_RAX: 0000000000000004
[ 625.370881][ T8835] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000800
[ 625.370924][ T8835] RDX: 0000000000000026 RSI: 00000000f7e3c24d RDI: 0000000000000006
[ 625.370959][ T8835] RBP: 00000000000000c6 R08: 0000000000000000 R09: 0000000000000000
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 625.371002][ T8835] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[ 625.371037][ T8835] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 625.371131][ T8835]
[ 625.380476][ T8835] batman_adv: batadv0: Interface deactivated: syzkaller0
[ 625.467957][ T8835] batman_adv: batadv0: Removing interface: syzkaller0
[ 625.685175][ T8836] batman_adv: batadv0: Adding interface: syzkaller0
executing program
[ 625.685233][ T8836] batman_adv: batadv0: The MTU of interface syzkaller0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 625.685327][ T8836] batman_adv: batadv0: Interface activated: syzkaller0
[ 625.690685][ T8836] FAULT_INJECTION: forcing a failure.
[ 625.690685][ T8836] name failslab, interval 1, probability 0, space 0, times 0
[ 625.690784][ T8836] CPU: 0 UID: 0 PID: 8836 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 625.690857][ T8836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 625.690891][ T8836] Call Trace:
[ 625.690921][ T8836]
[ 625.690955][ T8836] dump_stack_lvl+0xe8/0x150
[ 625.691099][ T8836] should_fail_ex+0x410/0x560
[ 625.691188][ T8836] should_failslab+0xa8/0x100
[ 625.691244][ T8836] __kmalloc_cache_noprof+0xa3/0x600
[ 625.691327][ T8836] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 625.691354][ T8836] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 625.691799][ T8836] batadv_neigh_ifinfo_new+0x95/0x300
[ 625.691920][ T8836] batadv_iv_ogm_process_per_outif+0x1819/0x2790
[ 625.692078][ T8836] ? batadv_iv_ogm_process_per_outif+0x101a/0x2790
[ 625.692854][ T8836] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 625.692967][ T8836] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 625.693101][ T8836] ? batadv_iv_ogm_orig_get+0x31/0x5c0
[ 625.693185][ T8836] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 625.693312][ T8836] batadv_iv_ogm_receive+0xc13/0x1740
[ 625.693446][ T8836] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 625.693569][ T8836] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 625.693711][ T8836] ? rcu_is_watching+0x16/0xb0
[ 625.693787][ T8836] ? __alloc_skb+0x27a/0x7a0
[ 625.693850][ T8836] ? trace_kmem_cache_alloc+0x29/0xe0
[ 625.693961][ T8836] batadv_batman_skb_recv+0x4b6/0x870
[ 625.694046][ T8836] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 625.694152][ T8836] ? netif_receive_skb+0x102/0xbf0
[ 625.694250][ T8836] ? netif_receive_skb+0x102/0xbf0
[ 625.694339][ T8836] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 625.694413][ T8836] netif_receive_skb+0x4af/0xbf0
[ 625.694531][ T8836] ? __pfx_netif_receive_skb+0x10/0x10
[ 625.694624][ T8836] ? tun_rx_batched+0x185/0x790
[ 625.694702][ T8836] tun_rx_batched+0x1de/0x790
[ 625.694790][ T8836] ? __pfx_tun_rx_batched+0x10/0x10
[ 625.694868][ T8836] ? lock_acquire+0x115/0x350
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 625.694966][ T8836] ? tun_get_user+0x23ba/0x44d0
[ 625.695029][ T8836] ? __local_bh_enable_ip+0xd6/0x140
[ 625.695116][ T8836] ? tun_get_user+0x27b0/0x44d0
[ 625.695190][ T8836] tun_get_user+0x2be0/0x44d0
[ 625.695294][ T8836] ? tun_get_user+0x27b0/0x44d0
[ 625.695416][ T8836] ? aa_file_perm+0x4ed/0x15f0
[ 625.695492][ T8836] ? __pfx_tun_get_user+0x10/0x10
[ 625.695551][ T8836] ? __lock_acquire+0x747/0x2de0
[ 625.695623][ T8836] ? kstrtoull+0x137/0x1d0
executing program
[ 625.695739][ T8836] ? ref_tracker_alloc+0x341/0x4b0
[ 625.695804][ T8836] ? lock_acquire+0x115/0x350
[ 625.695867][ T8836] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 625.695967][ T8836] ? lock_acquire+0x115/0x350
[ 625.696032][ T8836] ? tun_get+0x1c/0x2f0
[ 625.696119][ T8836] ? tun_get+0x1c/0x2f0
[ 625.696182][ T8836] ? tun_get+0x1c/0x2f0
[ 625.696268][ T8836] tun_chr_write_iter+0x113/0x200
[ 625.696357][ T8836] vfs_write+0x612/0xba0
[ 625.696470][ T8836] ? __pfx_vfs_write+0x10/0x10
[ 625.696594][ T8836] ? do_sys_openat2+0x14e/0x200
[ 625.696699][ T8836] ksys_write+0x150/0x270
[ 625.696795][ T8836] ? __pfx_ksys_write+0x10/0x10
[ 625.696904][ T8836] __do_fast_syscall_32+0x27a/0x6a0
[ 625.696978][ T8836] ? do_fast_syscall_32+0x33/0x70
[ 625.697061][ T8836] ? irqentry_exit+0x10f/0x910
[ 625.697122][ T8836] ? trace_irq_disable+0x3b/0x140
[ 625.697196][ T8836] do_fast_syscall_32+0x33/0x70
[ 625.697262][ T8836] entry_SYSENTER_compat_after_hwframe+0x84/0x8e
[ 625.697358][ T8836] RIP: 0023:0xf7dbf0ec
[ 625.697421][ T8836] Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8
[ 625.697473][ T8836] RSP: 002b:00000000f7f8fcec EFLAGS: 00000206 ORIG_RAX: 0000000000000004
[ 625.697547][ T8836] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000800
[ 625.697590][ T8836] RDX: 0000000000000026 RSI: 00000000f7e3c24d RDI: 0000000000000006
[ 625.697624][ T8836] RBP: 00000000000000c7 R08: 0000000000000000 R09: 0000000000000000
[ 625.697665][ T8836] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[ 625.697699][ T8836] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 625.697790][ T8836]
[ 625.716785][ T8836] batman_adv: batadv0: Interface deactivated: syzkaller0
[ 625.810775][ T8836] batman_adv: batadv0: Removing interface: syzkaller0
[ 625.991962][ T8837] batman_adv: batadv0: Adding interface: syzkaller0
[ 625.991981][ T8837] batman_adv: batadv0: The MTU of interface syzkaller0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 625.992080][ T8837] batman_adv: batadv0: Interface activated: syzkaller0
[ 625.996733][ T8837] FAULT_INJECTION: forcing a failure.
[ 625.996733][ T8837] name failslab, interval 1, probability 0, space 0, times 0
[ 625.996849][ T8837] CPU: 0 UID: 0 PID: 8837 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 625.996914][ T8837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 625.996954][ T8837] Call Trace:
[ 625.996976][ T8837]
[ 625.996999][ T8837] dump_stack_lvl+0xe8/0x150
[ 625.997101][ T8837] should_fail_ex+0x410/0x560
[ 625.997179][ T8837] should_failslab+0xa8/0x100
[ 625.997322][ T8837] __kmalloc_cache_noprof+0xa3/0x600
[ 625.997387][ T8837] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 625.997474][ T8837] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 625.997588][ T8837] batadv_neigh_ifinfo_new+0x95/0x300
[ 625.997665][ T8837] batadv_iv_ogm_process_per_outif+0x52e/0x2790
[ 625.997868][ T8837] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 625.997965][ T8837] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 625.998077][ T8837] ? netdev_lower_get_next_private_rcu+0x9f/0x100
[ 625.998154][ T8837] batadv_iv_ogm_receive+0x11c7/0x1740
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
executing program
[ 625.998286][ T8837] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 625.998411][ T8837] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 625.998497][ T8837] ? rcu_is_watching+0x16/0xb0
[ 625.998570][ T8837] ? __alloc_skb+0x27a/0x7a0
[ 625.998624][ T8837] ? trace_kmem_cache_alloc+0x29/0xe0
[ 625.998744][ T8837] batadv_batman_skb_recv+0x4b6/0x870
[ 625.998820][ T8837] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 625.998905][ T8837] ? netif_receive_skb+0x102/0xbf0
[ 625.998989][ T8837] ? netif_receive_skb+0x102/0xbf0
[ 625.999082][ T8837] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 625.999145][ T8837] netif_receive_skb+0x4af/0xbf0
[ 625.999273][ T8837] ? __pfx_netif_receive_skb+0x10/0x10
[ 625.999391][ T8837] ? tun_rx_batched+0x185/0x790
[ 625.999457][ T8837] tun_rx_batched+0x1de/0x790
[ 625.999538][ T8837] ? __pfx_tun_rx_batched+0x10/0x10
[ 625.999603][ T8837] ? lock_acquire+0x115/0x350
[ 625.999686][ T8837] ? tun_get_user+0x23ba/0x44d0
[ 625.999780][ T8837] ? __local_bh_enable_ip+0xd6/0x140
[ 625.999853][ T8837] ? tun_get_user+0x27b0/0x44d0
[ 625.999925][ T8837] tun_get_user+0x2be0/0x44d0
[ 626.000030][ T8837] ? tun_get_user+0x27b0/0x44d0
[ 626.000105][ T8837] ? aa_file_perm+0x4ed/0x15f0
[ 626.000166][ T8837] ? __pfx_tun_get_user+0x10/0x10
[ 626.000253][ T8837] ? __lock_acquire+0x747/0x2de0
[ 626.000319][ T8837] ? kstrtoull+0x137/0x1d0
[ 626.000435][ T8837] ? ref_tracker_alloc+0x341/0x4b0
[ 626.000499][ T8837] ? lock_acquire+0x115/0x350
[ 626.000563][ T8837] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 626.000658][ T8837] ? lock_acquire+0x115/0x350
[ 626.000729][ T8837] ? tun_get+0x1c/0x2f0
[ 626.000811][ T8837] ? tun_get+0x1c/0x2f0
[ 626.000866][ T8837] ? tun_get+0x1c/0x2f0
[ 626.000940][ T8837] tun_chr_write_iter+0x113/0x200
[ 626.001016][ T8837] vfs_write+0x612/0xba0
[ 626.001088][ T8837] ? __pfx_vfs_write+0x10/0x10
[ 626.001189][ T8837] ? do_sys_openat2+0x14e/0x200
[ 626.001275][ T8837] ksys_write+0x150/0x270
[ 626.001364][ T8837] ? __pfx_ksys_write+0x10/0x10
[ 626.001488][ T8837] __do_fast_syscall_32+0x27a/0x6a0
[ 626.001562][ T8837] ? do_fast_syscall_32+0x33/0x70
[ 626.001633][ T8837] ? irqentry_exit+0x10f/0x910
[ 626.001690][ T8837] ? trace_irq_disable+0x3b/0x140
[ 626.001770][ T8837] do_fast_syscall_32+0x33/0x70
[ 626.001836][ T8837] entry_SYSENTER_compat_after_hwframe+0x84/0x8e
[ 626.001910][ T8837] RIP: 0023:0xf7dbf0ec
[ 626.001979][ T8837] Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8
[ 626.002059][ T8837] RSP: 002b:00000000f7f8fcec EFLAGS: 00000206 ORIG_RAX: 0000000000000004
[ 626.002126][ T8837] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000800
[ 626.002167][ T8837] RDX: 0000000000000026 RSI: 00000000f7e3c24d RDI: 0000000000000006
[ 626.002201][ T8837] RBP: 00000000000000c8 R08: 0000000000000000 R09: 0000000000000000
[ 626.002234][ T8837] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 626.002267][ T8837] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 626.002359][ T8837]
[ 626.014500][ T8837] batman_adv: batadv0: Interface deactivated: syzkaller0
[ 626.098033][ T8837] batman_adv: batadv0: Removing interface: syzkaller0
[ 626.375534][ T8838] batman_adv: batadv0: Adding interface: syzkaller0
executing program
[ 626.375603][ T8838] batman_adv: batadv0: The MTU of interface syzkaller0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 626.375813][ T8838] batman_adv: batadv0: Interface activated: syzkaller0
[ 626.393217][ T8838] FAULT_INJECTION: forcing a failure.
[ 626.393217][ T8838] name failslab, interval 1, probability 0, space 0, times 0
[ 626.393321][ T8838] CPU: 0 UID: 0 PID: 8838 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 626.393391][ T8838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 626.393425][ T8838] Call Trace:
[ 626.393448][ T8838]
[ 626.393470][ T8838] dump_stack_lvl+0xe8/0x150
[ 626.393582][ T8838] should_fail_ex+0x410/0x560
[ 626.393694][ T8838] should_failslab+0xa8/0x100
[ 626.393783][ T8838] __kmalloc_cache_noprof+0xa3/0x600
[ 626.393847][ T8838] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 626.393933][ T8838] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 626.394047][ T8838] batadv_neigh_ifinfo_new+0x95/0x300
[ 626.394147][ T8838] batadv_iv_ogm_process_per_outif+0x1819/0x2790
[ 626.394302][ T8838] ? batadv_iv_ogm_process_per_outif+0x101a/0x2790
[ 626.394409][ T8838] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 626.394504][ T8838] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 626.394609][ T8838] ? batadv_iv_ogm_orig_get+0x31/0x5c0
[ 626.394695][ T8838] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 626.394802][ T8838] batadv_iv_ogm_receive+0xc13/0x1740
[ 626.394927][ T8838] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 626.395046][ T8838] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 626.395141][ T8838] ? rcu_is_watching+0x16/0xb0
[ 626.395200][ T8838] ? __alloc_skb+0x27a/0x7a0
[ 626.395286][ T8838] ? trace_kmem_cache_alloc+0x29/0xe0
[ 626.395410][ T8838] batadv_batman_skb_recv+0x4b6/0x870
[ 626.395485][ T8838] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 626.395562][ T8838] ? netif_receive_skb+0x102/0xbf0
[ 626.395655][ T8838] ? netif_receive_skb+0x102/0xbf0
[ 626.395748][ T8838] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 626.395813][ T8838] netif_receive_skb+0x4af/0xbf0
[ 626.395918][ T8838] ? __pfx_netif_receive_skb+0x10/0x10
[ 626.396022][ T8838] ? tun_rx_batched+0x185/0x790
[ 626.396087][ T8838] tun_rx_batched+0x1de/0x790
[ 626.396193][ T8838] ? __pfx_tun_rx_batched+0x10/0x10
[ 626.396273][ T8838] ? lock_acquire+0x115/0x350
[ 626.396377][ T8838] ? tun_get_user+0x23ba/0x44d0
[ 626.396433][ T8838] ? __local_bh_enable_ip+0xd6/0x140
[ 626.396507][ T8838] ? tun_get_user+0x27b0/0x44d0
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 626.396579][ T8838] tun_get_user+0x2be0/0x44d0
[ 626.396692][ T8838] ? tun_get_user+0x27b0/0x44d0
[ 626.396784][ T8838] ? aa_file_perm+0x4ed/0x15f0
[ 626.396866][ T8838] ? __pfx_tun_get_user+0x10/0x10
[ 626.396932][ T8838] ? __lock_acquire+0x747/0x2de0
[ 626.397014][ T8838] ? kstrtoull+0x137/0x1d0
[ 626.397126][ T8838] ? ref_tracker_alloc+0x341/0x4b0
executing program
[ 626.397198][ T8838] ? lock_acquire+0x115/0x350
[ 626.397382][ T8838] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 626.397413][ T8838] ? lock_acquire+0x115/0x350
[ 626.397435][ T8838] ? tun_get+0x1c/0x2f0
[ 626.397466][ T8838] ? tun_get+0x1c/0x2f0
[ 626.397523][ T8838] ? tun_get+0x1c/0x2f0
[ 626.397588][ T8838] tun_chr_write_iter+0x113/0x200
[ 626.397661][ T8838] vfs_write+0x612/0xba0
[ 626.397952][ T8838] ? __pfx_vfs_write+0x10/0x10
[ 626.398069][ T8838] ? do_sys_openat2+0x14e/0x200
[ 626.398175][ T8838] ksys_write+0x150/0x270
[ 626.398223][ T8838] ? __pfx_ksys_write+0x10/0x10
[ 626.398261][ T8838] __do_fast_syscall_32+0x27a/0x6a0
[ 626.398315][ T8838] ? do_fast_syscall_32+0x33/0x70
[ 626.398382][ T8838] ? irqentry_exit+0x10f/0x910
[ 626.398437][ T8838] ? trace_irq_disable+0x3b/0x140
[ 626.398524][ T8838] do_fast_syscall_32+0x33/0x70
[ 626.398609][ T8838] entry_SYSENTER_compat_after_hwframe+0x84/0x8e
[ 626.398676][ T8838] RIP: 0023:0xf7dbf0ec
[ 626.398747][ T8838] Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8
[ 626.398847][ T8838] RSP: 002b:00000000f7f8fcec EFLAGS: 00000206 ORIG_RAX: 0000000000000004
[ 626.398913][ T8838] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000800
[ 626.398956][ T8838] RDX: 0000000000000026 RSI: 00000000f7e3c24d RDI: 0000000000000006
[ 626.398998][ T8838] RBP: 00000000000000c9 R08: 0000000000000000 R09: 0000000000000000
[ 626.399038][ T8838] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[ 626.399073][ T8838] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 626.399136][ T8838]
[ 626.407159][ T8838] batman_adv: batadv0: Interface deactivated: syzkaller0
[ 626.544897][ T8838] batman_adv: batadv0: Removing interface: syzkaller0
[ 626.762704][ T8839] batman_adv: batadv0: Adding interface: syzkaller0
[ 626.762760][ T8839] batman_adv: batadv0: The MTU of interface syzkaller0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 626.762863][ T8839] batman_adv: batadv0: Interface activated: syzkaller0
[ 626.767379][ T8839] FAULT_INJECTION: forcing a failure.
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 626.767379][ T8839] name failslab, interval 1, probability 0, space 0, times 0
[ 626.767468][ T8839] CPU: 0 UID: 0 PID: 8839 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 626.767532][ T8839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 626.767573][ T8839] Call Trace:
[ 626.767596][ T8839]
executing program
[ 626.767625][ T8839] dump_stack_lvl+0xe8/0x150
[ 626.767735][ T8839] should_fail_ex+0x410/0x560
[ 626.767818][ T8839] should_failslab+0xa8/0x100
[ 626.767893][ T8839] __kmalloc_cache_noprof+0xa3/0x600
[ 626.767957][ T8839] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 626.768077][ T8839] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 626.768179][ T8839] batadv_neigh_ifinfo_new+0x95/0x300
[ 626.768285][ T8839] batadv_iv_ogm_process_per_outif+0x1819/0x2790
[ 626.768413][ T8839] ? batadv_iv_ogm_process_per_outif+0x101a/0x2790
[ 626.768519][ T8839] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 626.768632][ T8839] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 626.768747][ T8839] ? batadv_iv_ogm_orig_get+0x31/0x5c0
[ 626.768831][ T8839] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 626.768928][ T8839] batadv_iv_ogm_receive+0xc13/0x1740
[ 626.769059][ T8839] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 626.769174][ T8839] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 626.769205][ T8839] ? rcu_is_watching+0x16/0xb0
[ 626.769227][ T8839] ? __alloc_skb+0x27a/0x7a0
[ 626.769247][ T8839] ? trace_kmem_cache_alloc+0x29/0xe0
[ 626.769282][ T8839] batadv_batman_skb_recv+0x4b6/0x870
[ 626.769347][ T8839] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 626.769433][ T8839] ? netif_receive_skb+0x102/0xbf0
[ 626.769519][ T8839] ? netif_receive_skb+0x102/0xbf0
[ 626.769605][ T8839] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 626.769687][ T8839] netif_receive_skb+0x4af/0xbf0
[ 626.769786][ T8839] ? __pfx_netif_receive_skb+0x10/0x10
[ 626.769891][ T8839] ? tun_rx_batched+0x185/0x790
[ 626.769963][ T8839] tun_rx_batched+0x1de/0x790
[ 626.770039][ T8839] ? __pfx_tun_rx_batched+0x10/0x10
[ 626.770103][ T8839] ? lock_acquire+0x115/0x350
[ 626.770180][ T8839] ? tun_get_user+0x23ba/0x44d0
[ 626.770235][ T8839] ? __local_bh_enable_ip+0xd6/0x140
[ 626.770310][ T8839] ? tun_get_user+0x27b0/0x44d0
[ 626.770377][ T8839] tun_get_user+0x2be0/0x44d0
[ 626.770490][ T8839] ? tun_get_user+0x27b0/0x44d0
[ 626.770579][ T8839] ? aa_file_perm+0x4ed/0x15f0
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 626.770656][ T8839] ? __pfx_tun_get_user+0x10/0x10
[ 626.770746][ T8839] ? __lock_acquire+0x747/0x2de0
[ 626.770812][ T8839] ? kstrtoull+0x137/0x1d0
[ 626.770918][ T8839] ? ref_tracker_alloc+0x341/0x4b0
[ 626.770984][ T8839] ? lock_acquire+0x115/0x350
[ 626.771046][ T8839] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 626.771127][ T8839] ? lock_acquire+0x115/0x350
[ 626.771186][ T8839] ? tun_get+0x1c/0x2f0
[ 626.771299][ T8839] ? tun_get+0x1c/0x2f0
[ 626.771356][ T8839] ? tun_get+0x1c/0x2f0
[ 626.771429][ T8839] tun_chr_write_iter+0x113/0x200
[ 626.771495][ T8839] vfs_write+0x612/0xba0
[ 626.771616][ T8839] ? __pfx_vfs_write+0x10/0x10
[ 626.771744][ T8839] ? do_sys_openat2+0x14e/0x200
[ 626.771855][ T8839] ksys_write+0x150/0x270
[ 626.771963][ T8839] ? __pfx_ksys_write+0x10/0x10
executing program
[ 626.772080][ T8839] __do_fast_syscall_32+0x27a/0x6a0
[ 626.772155][ T8839] ? do_fast_syscall_32+0x33/0x70
[ 626.772215][ T8839] ? irqentry_exit+0x10f/0x910
[ 626.772271][ T8839] ? trace_irq_disable+0x3b/0x140
[ 626.772343][ T8839] do_fast_syscall_32+0x33/0x70
[ 626.772409][ T8839] entry_SYSENTER_compat_after_hwframe+0x84/0x8e
[ 626.772482][ T8839] RIP: 0023:0xf7dbf0ec
[ 626.772543][ T8839] Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8
[ 626.772595][ T8839] RSP: 002b:00000000f7f8fcec EFLAGS: 00000206 ORIG_RAX: 0000000000000004
[ 626.772705][ T8839] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000800
[ 626.772748][ T8839] RDX: 0000000000000026 RSI: 00000000f7e3c24d RDI: 0000000000000006
[ 626.772788][ T8839] RBP: 00000000000000ca R08: 0000000000000000 R09: 0000000000000000
[ 626.772821][ T8839] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[ 626.772861][ T8839] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 626.772967][ T8839]
[ 626.828126][ T8839] batman_adv: batadv0: Interface deactivated: syzkaller0
[ 626.914939][ T8839] batman_adv: batadv0: Removing interface: syzkaller0
[ 627.118408][ T8840] batman_adv: batadv0: Adding interface: syzkaller0
[ 627.118460][ T8840] batman_adv: batadv0: The MTU of interface syzkaller0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 627.118555][ T8840] batman_adv: batadv0: Interface activated: syzkaller0
[ 627.143911][ T8840] FAULT_INJECTION: forcing a failure.
[ 627.143911][ T8840] name failslab, interval 1, probability 0, space 0, times 0
[ 627.144002][ T8840] CPU: 0 UID: 0 PID: 8840 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 627.144076][ T8840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 627.144110][ T8840] Call Trace:
[ 627.144142][ T8840]
[ 627.144165][ T8840] dump_stack_lvl+0xe8/0x150
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 627.144270][ T8840] should_fail_ex+0x410/0x560
[ 627.144348][ T8840] should_failslab+0xa8/0x100
[ 627.144430][ T8840] __kmalloc_cache_noprof+0xa3/0x600
[ 627.144494][ T8840] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 627.144583][ T8840] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 627.144779][ T8840] batadv_neigh_ifinfo_new+0x95/0x300
executing program
[ 627.144885][ T8840] batadv_iv_ogm_process_per_outif+0x1819/0x2790
[ 627.145014][ T8840] ? batadv_iv_ogm_process_per_outif+0x101a/0x2790
[ 627.145183][ T8840] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 627.145301][ T8840] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 627.145407][ T8840] ? batadv_iv_ogm_orig_get+0x31/0x5c0
[ 627.145485][ T8840] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 627.145590][ T8840] batadv_iv_ogm_receive+0xc13/0x1740
[ 627.145891][ T8840] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 627.146279][ T8840] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 627.146423][ T8840] ? rcu_is_watching+0x16/0xb0
[ 627.146489][ T8840] ? __alloc_skb+0x27a/0x7a0
[ 627.146561][ T8840] ? trace_kmem_cache_alloc+0x29/0xe0
[ 627.146808][ T8840] batadv_batman_skb_recv+0x4b6/0x870
[ 627.146893][ T8840] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 627.146978][ T8840] ? netif_receive_skb+0x102/0xbf0
[ 627.147065][ T8840] ? netif_receive_skb+0x102/0xbf0
[ 627.147181][ T8840] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 627.147240][ T8840] netif_receive_skb+0x4af/0xbf0
[ 627.147354][ T8840] ? __pfx_netif_receive_skb+0x10/0x10
[ 627.147486][ T8840] ? tun_rx_batched+0x185/0x790
[ 627.147564][ T8840] tun_rx_batched+0x1de/0x790
[ 627.147700][ T8840] ? __pfx_tun_rx_batched+0x10/0x10
[ 627.147781][ T8840] ? lock_acquire+0x115/0x350
[ 627.147873][ T8840] ? tun_get_user+0x23ba/0x44d0
[ 627.147921][ T8840] ? __local_bh_enable_ip+0xd6/0x140
[ 627.148002][ T8840] ? tun_get_user+0x27b0/0x44d0
[ 627.148078][ T8840] tun_get_user+0x2be0/0x44d0
[ 627.148191][ T8840] ? tun_get_user+0x27b0/0x44d0
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 627.148268][ T8840] ? aa_file_perm+0x4ed/0x15f0
[ 627.148354][ T8840] ? __pfx_tun_get_user+0x10/0x10
[ 627.148565][ T8840] ? __lock_acquire+0x747/0x2de0
[ 627.148637][ T8840] ? kstrtoull+0x137/0x1d0
[ 627.148774][ T8840] ? ref_tracker_alloc+0x341/0x4b0
[ 627.148841][ T8840] ? lock_acquire+0x115/0x350
[ 627.148914][ T8840] ? __pfx_ref_tracker_alloc+0x10/0x10
executing program
[ 627.149002][ T8840] ? lock_acquire+0x115/0x350
[ 627.149062][ T8840] ? tun_get+0x1c/0x2f0
[ 627.149355][ T8840] ? tun_get+0x1c/0x2f0
[ 627.149426][ T8840] ? tun_get+0x1c/0x2f0
[ 627.149529][ T8840] tun_chr_write_iter+0x113/0x200
[ 627.150060][ T8840] vfs_write+0x612/0xba0
[ 627.150198][ T8840] ? __pfx_vfs_write+0x10/0x10
[ 627.150336][ T8840] ? do_sys_openat2+0x14e/0x200
[ 627.150708][ T8840] ksys_write+0x150/0x270
[ 627.150799][ T8840] ? __pfx_ksys_write+0x10/0x10
[ 627.150895][ T8840] __do_fast_syscall_32+0x27a/0x6a0
[ 627.150972][ T8840] ? do_fast_syscall_32+0x33/0x70
[ 627.151271][ T8840] ? irqentry_exit+0x10f/0x910
[ 627.151591][ T8840] do_fast_syscall_32+0x33/0x70
[ 627.151667][ T8840] entry_SYSENTER_compat_after_hwframe+0x84/0x8e
[ 627.151734][ T8840] RIP: 0023:0xf7dbf0ec
[ 627.151797][ T8840] Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8
[ 627.151852][ T8840] RSP: 002b:00000000f7f8fcec EFLAGS: 00000206 ORIG_RAX: 0000000000000004
[ 627.151923][ T8840] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000800
[ 627.151958][ T8840] RDX: 0000000000000026 RSI: 00000000f7e3c24d RDI: 0000000000000006
[ 627.152017][ T8840] RBP: 00000000000000cb R08: 0000000000000000 R09: 0000000000000000
[ 627.152066][ T8840] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[ 627.152114][ T8840] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 627.152270][ T8840]
[ 627.202712][ T8840] batman_adv: batadv0: Interface deactivated: syzkaller0
[ 627.277700][ T8840] batman_adv: batadv0: Removing interface: syzkaller0
[ 627.440087][ T8841] batman_adv: batadv0: Adding interface: syzkaller0
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 627.440154][ T8841] batman_adv: batadv0: The MTU of interface syzkaller0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 627.440299][ T8841] batman_adv: batadv0: Interface activated: syzkaller0
[ 627.461485][ T8841] FAULT_INJECTION: forcing a failure.
[ 627.461485][ T8841] name failslab, interval 1, probability 0, space 0, times 0
[ 627.461590][ T8841] CPU: 0 UID: 0 PID: 8841 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
executing program
[ 627.461655][ T8841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 627.461695][ T8841] Call Trace:
[ 627.461719][ T8841]
[ 627.461749][ T8841] dump_stack_lvl+0xe8/0x150
[ 627.461845][ T8841] should_fail_ex+0x410/0x560
[ 627.461928][ T8841] should_failslab+0xa8/0x100
[ 627.462014][ T8841] __kmalloc_cache_noprof+0xa3/0x600
[ 627.462066][ T8841] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 627.462159][ T8841] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 627.462274][ T8841] batadv_neigh_ifinfo_new+0x95/0x300
[ 627.462384][ T8841] batadv_iv_ogm_process_per_outif+0x1819/0x2790
[ 627.462534][ T8841] ? batadv_iv_ogm_process_per_outif+0x101a/0x2790
[ 627.462639][ T8841] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 627.462736][ T8841] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 627.462826][ T8841] ? batadv_iv_ogm_orig_get+0x31/0x5c0
[ 627.462909][ T8841] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 627.463006][ T8841] batadv_iv_ogm_receive+0xc13/0x1740
[ 627.463127][ T8841] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 627.463254][ T8841] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 627.463348][ T8841] ? rcu_is_watching+0x16/0xb0
[ 627.463420][ T8841] ? __alloc_skb+0x27a/0x7a0
[ 627.463476][ T8841] ? trace_kmem_cache_alloc+0x29/0xe0
[ 627.463586][ T8841] batadv_batman_skb_recv+0x4b6/0x870
[ 627.463660][ T8841] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 627.463760][ T8841] ? netif_receive_skb+0x102/0xbf0
[ 627.463792][ T8841] ? netif_receive_skb+0x102/0xbf0
[ 627.463857][ T8841] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 627.463936][ T8841] netif_receive_skb+0x4af/0xbf0
[ 627.464043][ T8841] ? __pfx_netif_receive_skb+0x10/0x10
[ 627.464142][ T8841] ? tun_rx_batched+0x185/0x790
[ 627.464224][ T8841] tun_rx_batched+0x1de/0x790
[ 627.464301][ T8841] ? __pfx_tun_rx_batched+0x10/0x10
[ 627.464365][ T8841] ? lock_acquire+0x115/0x350
[ 627.464447][ T8841] ? tun_get_user+0x23ba/0x44d0
[ 627.464501][ T8841] ? __local_bh_enable_ip+0xd6/0x140
[ 627.464576][ T8841] ? tun_get_user+0x27b0/0x44d0
[ 627.464641][ T8841] tun_get_user+0x2be0/0x44d0
[ 627.464737][ T8841] ? tun_get_user+0x27b0/0x44d0
[ 627.464810][ T8841] ? aa_file_perm+0x4ed/0x15f0
[ 627.464885][ T8841] ? __pfx_tun_get_user+0x10/0x10
[ 627.464957][ T8841] ? __lock_acquire+0x747/0x2de0
[ 627.465022][ T8841] ? kstrtoull+0x137/0x1d0
[ 627.465123][ T8841] ? ref_tracker_alloc+0x341/0x4b0
[ 627.465194][ T8841] ? lock_acquire+0x115/0x350
[ 627.465250][ T8841] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 627.465338][ T8841] ? lock_acquire+0x115/0x350
[ 627.465414][ T8841] ? tun_get+0x1c/0x2f0
[ 627.465469][ T8841] ? tun_get+0x1c/0x2f0
[ 627.465485][ T8841] ? tun_get+0x1c/0x2f0
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 627.465504][ T8841] tun_chr_write_iter+0x113/0x200
[ 627.465524][ T8841] vfs_write+0x612/0xba0
[ 627.465610][ T8841] ? __pfx_vfs_write+0x10/0x10
[ 627.465724][ T8841] ? do_sys_openat2+0x14e/0x200
[ 627.465827][ T8841] ksys_write+0x150/0x270
[ 627.465915][ T8841] ? __pfx_ksys_write+0x10/0x10
[ 627.466030][ T8841] __do_fast_syscall_32+0x27a/0x6a0
[ 627.466097][ T8841] ? do_fast_syscall_32+0x33/0x70
executing program
[ 627.466162][ T8841] ? irqentry_exit+0x10f/0x910
[ 627.466216][ T8841] ? trace_irq_disable+0x3b/0x140
[ 627.466289][ T8841] do_fast_syscall_32+0x33/0x70
[ 627.466353][ T8841] entry_SYSENTER_compat_after_hwframe+0x84/0x8e
[ 627.466425][ T8841] RIP: 0023:0xf7dbf0ec
[ 627.466479][ T8841] Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8
[ 627.466534][ T8841] RSP: 002b:00000000f7f8fcec EFLAGS: 00000206 ORIG_RAX: 0000000000000004
[ 627.466598][ T8841] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000800
[ 627.466641][ T8841] RDX: 0000000000000026 RSI: 00000000f7e3c24d RDI: 0000000000000006
[ 627.466675][ T8841] RBP: 00000000000000cc R08: 0000000000000000 R09: 0000000000000000
[ 627.466715][ T8841] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[ 627.466750][ T8841] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 627.466865][ T8841]
[ 627.487461][ T8841] batman_adv: batadv0: Interface deactivated: syzkaller0
[ 627.557642][ T8841] batman_adv: batadv0: Removing interface: syzkaller0
[ 627.705340][ T8842] batman_adv: batadv0: Adding interface: syzkaller0
[ 627.705360][ T8842] batman_adv: batadv0: The MTU of interface syzkaller0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 627.705464][ T8842] batman_adv: batadv0: Interface activated: syzkaller0
[ 627.709925][ T8842] FAULT_INJECTION: forcing a failure.
[ 627.709925][ T8842] name failslab, interval 1, probability 0, space 0, times 0
[ 627.710021][ T8842] CPU: 0 UID: 0 PID: 8842 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 627.710088][ T8842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 627.710131][ T8842] Call Trace:
[ 627.710154][ T8842]
[ 627.710184][ T8842] dump_stack_lvl+0xe8/0x150
[ 627.710280][ T8842] should_fail_ex+0x410/0x560
[ 627.710366][ T8842] should_failslab+0xa8/0x100
[ 627.710452][ T8842] __kmalloc_cache_noprof+0xa3/0x600
[ 627.710503][ T8842] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 627.710596][ T8842] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 627.710711][ T8842] batadv_neigh_ifinfo_new+0x95/0x300
[ 627.710809][ T8842] batadv_iv_ogm_process_per_outif+0x1819/0x2790
[ 627.710929][ T8842] ? batadv_iv_ogm_process_per_outif+0x101a/0x2790
[ 627.710970][ T8842] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 627.711008][ T8842] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 627.711079][ T8842] ? batadv_iv_ogm_orig_get+0x31/0x5c0
[ 627.711183][ T8842] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 627.711294][ T8842] batadv_iv_ogm_receive+0xc13/0x1740
[ 627.711420][ T8842] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 627.711539][ T8842] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 627.711638][ T8842] ? rcu_is_watching+0x16/0xb0
[ 627.711713][ T8842] ? __alloc_skb+0x27a/0x7a0
[ 627.711768][ T8842] ? trace_kmem_cache_alloc+0x29/0xe0
[ 627.711875][ T8842] batadv_batman_skb_recv+0x4b6/0x870
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 627.711958][ T8842] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 627.712041][ T8842] ? netif_receive_skb+0x102/0xbf0
[ 627.712142][ T8842] ? netif_receive_skb+0x102/0xbf0
[ 627.712227][ T8842] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 627.712292][ T8842] netif_receive_skb+0x4af/0xbf0
[ 627.712398][ T8842] ? __pfx_netif_receive_skb+0x10/0x10
executing program
[ 627.712501][ T8842] ? tun_rx_batched+0x185/0x790
[ 627.712567][ T8842] tun_rx_batched+0x1de/0x790
[ 627.712651][ T8842] ? __pfx_tun_rx_batched+0x10/0x10
[ 627.712737][ T8842] ? lock_acquire+0x115/0x350
[ 627.712834][ T8842] ? tun_get_user+0x23ba/0x44d0
[ 627.712889][ T8842] ? __local_bh_enable_ip+0xd6/0x140
[ 627.712964][ T8842] ? tun_get_user+0x27b0/0x44d0
[ 627.713030][ T8842] tun_get_user+0x2be0/0x44d0
[ 627.713121][ T8842] ? tun_get_user+0x27b0/0x44d0
[ 627.713197][ T8842] ? aa_file_perm+0x4ed/0x15f0
[ 627.713271][ T8842] ? __pfx_tun_get_user+0x10/0x10
[ 627.713344][ T8842] ? __lock_acquire+0x747/0x2de0
[ 627.713425][ T8842] ? kstrtoull+0x137/0x1d0
[ 627.713456][ T8842] ? ref_tracker_alloc+0x341/0x4b0
[ 627.713475][ T8842] ? lock_acquire+0x115/0x350
[ 627.713491][ T8842] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 627.713512][ T8842] ? lock_acquire+0x115/0x350
[ 627.713528][ T8842] ? tun_get+0x1c/0x2f0
[ 627.713549][ T8842] ? tun_get+0x1c/0x2f0
[ 627.713564][ T8842] ? tun_get+0x1c/0x2f0
[ 627.713621][ T8842] tun_chr_write_iter+0x113/0x200
[ 627.713641][ T8842] vfs_write+0x612/0xba0
[ 627.713672][ T8842] ? __pfx_vfs_write+0x10/0x10
[ 627.713757][ T8842] ? do_sys_openat2+0x14e/0x200
[ 627.713861][ T8842] ksys_write+0x150/0x270
[ 627.713949][ T8842] ? __pfx_ksys_write+0x10/0x10
[ 627.714065][ T8842] __do_fast_syscall_32+0x27a/0x6a0
[ 627.714125][ T8842] ? do_fast_syscall_32+0x33/0x70
[ 627.714199][ T8842] ? irqentry_exit+0x10f/0x910
[ 627.714254][ T8842] ? trace_irq_disable+0x3b/0x140
[ 627.714326][ T8842] do_fast_syscall_32+0x33/0x70
[ 627.714391][ T8842] entry_SYSENTER_compat_after_hwframe+0x84/0x8e
[ 627.714466][ T8842] RIP: 0023:0xf7dbf0ec
[ 627.714519][ T8842] Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 627.714572][ T8842] RSP: 002b:00000000f7f8fcec EFLAGS: 00000206 ORIG_RAX: 0000000000000004
[ 627.714646][ T8842] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000800
[ 627.714695][ T8842] RDX: 0000000000000026 RSI: 00000000f7e3c24d RDI: 0000000000000006
executing program
[ 627.714729][ T8842] RBP: 00000000000000cd R08: 0000000000000000 R09: 0000000000000000
[ 627.714769][ T8842] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[ 627.714976][ T8842] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 627.715359][ T8842]
[ 627.739735][ T8842] batman_adv: batadv0: Interface deactivated: syzkaller0
[ 627.826730][ T8842] batman_adv: batadv0: Removing interface: syzkaller0
[ 628.025450][ T8843] batman_adv: batadv0: Adding interface: syzkaller0
[ 628.025507][ T8843] batman_adv: batadv0: The MTU of interface syzkaller0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 628.025597][ T8843] batman_adv: batadv0: Interface activated: syzkaller0
[ 628.035718][ T8843] FAULT_INJECTION: forcing a failure.
[ 628.035718][ T8843] name failslab, interval 1, probability 0, space 0, times 0
[ 628.035834][ T8843] CPU: 0 UID: 0 PID: 8843 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 628.036020][ T8843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 628.036055][ T8843] Call Trace:
[ 628.036086][ T8843]
[ 628.036110][ T8843] dump_stack_lvl+0xe8/0x150
[ 628.036217][ T8843] should_fail_ex+0x410/0x560
[ 628.036290][ T8843] should_failslab+0xa8/0x100
[ 628.036375][ T8843] __kmalloc_cache_noprof+0xa3/0x600
[ 628.036438][ T8843] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 628.036549][ T8843] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 628.036714][ T8843] batadv_neigh_ifinfo_new+0x95/0x300
[ 628.036822][ T8843] batadv_iv_ogm_process_per_outif+0x1819/0x2790
[ 628.036965][ T8843] ? batadv_iv_ogm_process_per_outif+0x101a/0x2790
[ 628.037077][ T8843] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 628.037197][ T8843] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 628.037302][ T8843] ? batadv_iv_ogm_orig_get+0x31/0x5c0
[ 628.037392][ T8843] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 628.037492][ T8843] batadv_iv_ogm_receive+0xc13/0x1740
[ 628.037622][ T8843] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 628.037759][ T8843] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 628.037854][ T8843] ? rcu_is_watching+0x16/0xb0
[ 628.037938][ T8843] ? __alloc_skb+0x27a/0x7a0
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 628.037998][ T8843] ? trace_kmem_cache_alloc+0x29/0xe0
[ 628.038106][ T8843] batadv_batman_skb_recv+0x4b6/0x870
[ 628.038177][ T8843] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 628.038273][ T8843] ? netif_receive_skb+0x102/0xbf0
[ 628.038385][ T8843] ? netif_receive_skb+0x102/0xbf0
[ 628.038471][ T8843] ? __pfx_batadv_batman_skb_recv+0x10/0x10
executing program
[ 628.038535][ T8843] netif_receive_skb+0x4af/0xbf0
[ 628.038646][ T8843] ? __pfx_netif_receive_skb+0x10/0x10
[ 628.038744][ T8843] ? tun_rx_batched+0x185/0x790
[ 628.038818][ T8843] tun_rx_batched+0x1de/0x790
[ 628.038904][ T8843] ? __pfx_tun_rx_batched+0x10/0x10
[ 628.038968][ T8843] ? lock_acquire+0x115/0x350
[ 628.039022][ T8843] ? tun_get_user+0x23ba/0x44d0
[ 628.039043][ T8843] ? __local_bh_enable_ip+0xd6/0x140
[ 628.039071][ T8843] ? tun_get_user+0x27b0/0x44d0
[ 628.039135][ T8843] tun_get_user+0x2be0/0x44d0
[ 628.039225][ T8843] ? tun_get_user+0x27b0/0x44d0
[ 628.039316][ T8843] ? aa_file_perm+0x4ed/0x15f0
[ 628.039385][ T8843] ? __pfx_tun_get_user+0x10/0x10
[ 628.039452][ T8843] ? __lock_acquire+0x747/0x2de0
[ 628.039525][ T8843] ? kstrtoull+0x137/0x1d0
[ 628.039633][ T8843] ? ref_tracker_alloc+0x341/0x4b0
[ 628.039698][ T8843] ? lock_acquire+0x115/0x350
[ 628.039762][ T8843] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 628.039837][ T8843] ? lock_acquire+0x115/0x350
[ 628.039894][ T8843] ? tun_get+0x1c/0x2f0
[ 628.039975][ T8843] ? tun_get+0x1c/0x2f0
[ 628.040030][ T8843] ? tun_get+0x1c/0x2f0
[ 628.040104][ T8843] tun_chr_write_iter+0x113/0x200
[ 628.040170][ T8843] vfs_write+0x612/0xba0
[ 628.040283][ T8843] ? __pfx_vfs_write+0x10/0x10
[ 628.040404][ T8843] ? do_sys_openat2+0x14e/0x200
[ 628.040502][ T8843] ksys_write+0x150/0x270
[ 628.040608][ T8843] ? __pfx_ksys_write+0x10/0x10
[ 628.040716][ T8843] __do_fast_syscall_32+0x27a/0x6a0
[ 628.040796][ T8843] ? do_fast_syscall_32+0x33/0x70
[ 628.040860][ T8843] ? irqentry_exit+0x10f/0x910
[ 628.040926][ T8843] ? trace_irq_disable+0x3b/0x140
[ 628.040993][ T8843] do_fast_syscall_32+0x33/0x70
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 628.041067][ T8843] entry_SYSENTER_compat_after_hwframe+0x84/0x8e
[ 628.041141][ T8843] RIP: 0023:0xf7dbf0ec
executing program
[ 628.041203][ T8843] Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8
[ 628.041248][ T8843] RSP: 002b:00000000f7f8fcec EFLAGS: 00000206 ORIG_RAX: 0000000000000004
[ 628.041319][ T8843] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000800
[ 628.041369][ T8843] RDX: 0000000000000026 RSI: 00000000f7e3c24d RDI: 0000000000000006
[ 628.041556][ T8843] RBP: 00000000000000ce R08: 0000000000000000 R09: 0000000000000000
[ 628.041597][ T8843] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[ 628.041637][ T8843] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
** 5 printk messages dropped **
[ 628.403860][ T8844] batman_adv: batadv0: Interface activated: syzkaller0
[ 628.408564][ T8844] FAULT_INJECTION: forcing a failure.
[ 628.408564][ T8844] name failslab, interval 1, probability 0, space 0, times 0
[ 628.408658][ T8844] CPU: 0 UID: 0 PID: 8844 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 628.408724][ T8844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 628.408765][ T8844] Call Trace:
[ 628.408794][ T8844]
[ 628.408817][ T8844] dump_stack_lvl+0xe8/0x150
[ 628.408923][ T8844] should_fail_ex+0x410/0x560
[ 628.409027][ T8844] should_failslab+0xa8/0x100
[ 628.409115][ T8844] __kmalloc_cache_noprof+0xa3/0x600
[ 628.409178][ T8844] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 628.409265][ T8844] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 628.409367][ T8844] batadv_neigh_ifinfo_new+0x95/0x300
[ 628.409471][ T8844] batadv_iv_ogm_process_per_outif+0x1819/0x2790
[ 628.409602][ T8844] ? batadv_iv_ogm_process_per_outif+0x101a/0x2790
[ 628.409708][ T8844] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 628.409816][ T8844] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 628.409986][ T8844] ? batadv_iv_ogm_orig_get+0x31/0x5c0
[ 628.410105][ T8844] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 628.410216][ T8844] batadv_iv_ogm_receive+0xc13/0x1740
[ 628.410335][ T8844] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 628.410462][ T8844] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 628.410558][ T8844] ? rcu_is_watching+0x16/0xb0
[ 628.410633][ T8844] ? __alloc_skb+0x27a/0x7a0
[ 628.410706][ T8844] ? trace_kmem_cache_alloc+0x29/0xe0
[ 628.410813][ T8844] batadv_batman_skb_recv+0x4b6/0x870
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 628.410898][ T8844] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 628.410976][ T8844] ? netif_receive_skb+0x102/0xbf0
[ 628.411077][ T8844] ? netif_receive_skb+0x102/0xbf0
[ 628.411162][ T8844] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 628.411234][ T8844] netif_receive_skb+0x4af/0xbf0
[ 628.411344][ T8844] ? __pfx_netif_receive_skb+0x10/0x10
executing program
[ 628.411450][ T8844] ? tun_rx_batched+0x185/0x790
[ 628.411524][ T8844] tun_rx_batched+0x1de/0x790
[ 628.411614][ T8844] ? __pfx_tun_rx_batched+0x10/0x10
[ 628.411691][ T8844] ? lock_acquire+0x115/0x350
[ 628.411765][ T8844] ? tun_get_user+0x23ba/0x44d0
[ 628.411829][ T8844] ? __local_bh_enable_ip+0xd6/0x140
[ 628.411903][ T8844] ? tun_get_user+0x27b0/0x44d0
[ 628.411976][ T8844] tun_get_user+0x2be0/0x44d0
[ 628.412073][ T8844] ? tun_get_user+0x27b0/0x44d0
[ 628.412147][ T8844] ? aa_file_perm+0x4ed/0x15f0
[ 628.412229][ T8844] ? __pfx_tun_get_user+0x10/0x10
** 34 printk messages dropped **
[ 628.824135][ T8845] batman_adv: batadv0: Interface activated: syzkaller0
[ 628.829115][ T8845] FAULT_INJECTION: forcing a failure.
[ 628.829115][ T8845] name failslab, interval 1, probability 0, space 0, times 0
[ 628.829213][ T8845] CPU: 0 UID: 0 PID: 8845 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 628.829283][ T8845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 628.829320][ T8845] Call Trace:
[ 628.829348][ T8845]
[ 628.829372][ T8845] dump_stack_lvl+0xe8/0x150
[ 628.829476][ T8845] should_fail_ex+0x410/0x560
[ 628.829710][ T8845] should_failslab+0xa8/0x100
[ 628.829811][ T8845] __kmalloc_cache_noprof+0xa3/0x600
[ 628.829880][ T8845] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 628.829988][ T8845] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 628.830110][ T8845] batadv_neigh_ifinfo_new+0x95/0x300
[ 628.830238][ T8845] batadv_iv_ogm_process_per_outif+0x52e/0x2790
[ 628.830449][ T8845] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 628.830531][ T8845] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 628.830658][ T8845] ? netdev_lower_get_next_private_rcu+0x9f/0x100
[ 628.830745][ T8845] batadv_iv_ogm_receive+0x11c7/0x1740
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 628.830867][ T8845] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 628.830998][ T8845] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 628.831094][ T8845] ? rcu_is_watching+0x16/0xb0
[ 628.831168][ T8845] ? __alloc_skb+0x27a/0x7a0
[ 628.831224][ T8845] ? trace_kmem_cache_alloc+0x29/0xe0
[ 628.831659][ T8845] batadv_batman_skb_recv+0x4b6/0x870
executing program
[ 628.831760][ T8845] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 628.831846][ T8845] ? netif_receive_skb+0x102/0xbf0
[ 628.832185][ T8845] ? netif_receive_skb+0x102/0xbf0
[ 628.832277][ T8845] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 628.832350][ T8845] netif_receive_skb+0x4af/0xbf0
[ 628.832451][ T8845] ? __pfx_netif_receive_skb+0x10/0x10
[ 628.832485][ T8845] ? tun_rx_batched+0x185/0x790
[ 628.832508][ T8845] tun_rx_batched+0x1de/0x790
[ 628.832535][ T8845] ? __pfx_tun_rx_batched+0x10/0x10
[ 628.832556][ T8845] ? lock_acquire+0x115/0x350
[ 628.832653][ T8845] ? tun_get_user+0x23ba/0x44d0
[ 628.832734][ T8845] ? __local_bh_enable_ip+0xd6/0x140
** 6 printk messages dropped **
[ 628.833435][ T8845] ? kstrtoull+0x137/0x1d0
** 32 printk messages dropped **
[ 629.164690][ T8846] batman_adv: batadv0: Interface activated: syzkaller0
[ 629.169555][ T8846] FAULT_INJECTION: forcing a failure.
[ 629.169555][ T8846] name failslab, interval 1, probability 0, space 0, times 0
[ 629.169658][ T8846] CPU: 0 UID: 0 PID: 8846 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 629.169737][ T8846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 629.169775][ T8846] Call Trace:
[ 629.169799][ T8846]
[ 629.169832][ T8846] dump_stack_lvl+0xe8/0x150
[ 629.169948][ T8846] should_fail_ex+0x410/0x560
[ 629.170041][ T8846] should_failslab+0xa8/0x100
[ 629.170152][ T8846] __kmalloc_cache_noprof+0xa3/0x600
[ 629.170224][ T8846] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 629.170338][ T8846] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 629.170476][ T8846] batadv_neigh_ifinfo_new+0x95/0x300
[ 629.170592][ T8846] batadv_iv_ogm_process_per_outif+0x52e/0x2790
[ 629.170776][ T8846] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 629.170890][ T8846] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 629.171036][ T8846] ? netdev_lower_get_next_private_rcu+0x9f/0x100
[ 629.171132][ T8846] batadv_iv_ogm_receive+0x11c7/0x1740
[ 629.171280][ T8846] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 629.171421][ T8846] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 629.171545][ T8846] ? rcu_is_watching+0x16/0xb0
[ 629.171641][ T8846] ? __alloc_skb+0x27a/0x7a0
[ 629.171717][ T8846] ? trace_kmem_cache_alloc+0x29/0xe0
[ 629.171835][ T8846] batadv_batman_skb_recv+0x4b6/0x870
[ 629.171926][ T8846] ? __pfx_batadv_batman_skb_recv+0x10/0x10
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 629.172025][ T8846] ? netif_receive_skb+0x102/0xbf0
[ 629.172127][ T8846] ? netif_receive_skb+0x102/0xbf0
[ 629.172243][ T8846] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 629.172323][ T8846] netif_receive_skb+0x4af/0xbf0
[ 629.172440][ T8846] ? __pfx_netif_receive_skb+0x10/0x10
[ 629.172565][ T8846] ? tun_rx_batched+0x185/0x790
[ 629.172657][ T8846] tun_rx_batched+0x1de/0x790
executing program
[ 629.172748][ T8846] ? __pfx_tun_rx_batched+0x10/0x10
[ 629.172827][ T8846] ? lock_acquire+0x115/0x350
[ 629.172928][ T8846] ? tun_get_user+0x23ba/0x44d0
[ 629.172997][ T8846] ? __local_bh_enable_ip+0xd6/0x140
[ 629.173096][ T8846] ? tun_get_user+0x27b0/0x44d0
[ 629.173175][ T8846] tun_get_user+0x2be0/0x44d0
[ 629.173290][ T8846] ? tun_get_user+0x27b0/0x44d0
[ 629.173399][ T8846] ? aa_file_perm+0x4ed/0x15f0
[ 629.173499][ T8846] ? __pfx_tun_get_user+0x10/0x10
[ 629.173579][ T8846] ? __lock_acquire+0x747/0x2de0
[ 629.173659][ T8846] ? kstrtoull+0x137/0x1d0
[ 629.173779][ T8846] ? ref_tracker_alloc+0x341/0x4b0
[ 629.173859][ T8846] ? lock_acquire+0x115/0x350
[ 629.173932][ T8846] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 629.174009][ T8846] ? lock_acquire+0x115/0x350
[ 629.174079][ T8846] ? tun_get+0x1c/0x2f0
[ 629.174171][ T8846] ? tun_get+0x1c/0x2f0
** 2 printk messages dropped **
[ 629.174403][ T8846] vfs_write+0x612/0xba0
** 22 printk messages dropped **
[ 629.494174][ T8847] batman_adv: batadv0: Interface activated: syzkaller0
[ 629.499391][ T8847] FAULT_INJECTION: forcing a failure.
[ 629.499391][ T8847] name failslab, interval 1, probability 0, space 0, times 0
[ 629.499494][ T8847] CPU: 0 UID: 0 PID: 8847 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 629.499573][ T8847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 629.499614][ T8847] Call Trace:
[ 629.499645][ T8847]
[ 629.499668][ T8847] dump_stack_lvl+0xe8/0x150
[ 629.499799][ T8847] should_fail_ex+0x410/0x560
[ 629.499885][ T8847] should_failslab+0xa8/0x100
[ 629.499979][ T8847] __kmalloc_cache_noprof+0xa3/0x600
[ 629.500047][ T8847] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 629.500121][ T8847] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 629.500209][ T8847] batadv_neigh_ifinfo_new+0x95/0x300
[ 629.500316][ T8847] batadv_iv_ogm_process_per_outif+0x52e/0x2790
[ 629.500504][ T8847] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 629.500608][ T8847] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 629.500715][ T8847] ? netdev_lower_get_next_private_rcu+0x9f/0x100
[ 629.500799][ T8847] batadv_iv_ogm_receive+0x11c7/0x1740
[ 629.500926][ T8847] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 629.501085][ T8847] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 629.501186][ T8847] ? rcu_is_watching+0x16/0xb0
[ 629.501254][ T8847] ? __alloc_skb+0x27a/0x7a0
[ 629.501315][ T8847] ? trace_kmem_cache_alloc+0x29/0xe0
[ 629.501421][ T8847] batadv_batman_skb_recv+0x4b6/0x870
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 629.501523][ T8847] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 629.501606][ T8847] ? netif_receive_skb+0x102/0xbf0
[ 629.501692][ T8847] ? netif_receive_skb+0x102/0xbf0
[ 629.501786][ T8847] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 629.501852][ T8847] netif_receive_skb+0x4af/0xbf0
[ 629.501969][ T8847] ? __pfx_netif_receive_skb+0x10/0x10
[ 629.502074][ T8847] ? tun_rx_batched+0x185/0x790
[ 629.502140][ T8847] tun_rx_batched+0x1de/0x790
[ 629.502223][ T8847] ? __pfx_tun_rx_batched+0x10/0x10
[ 629.502287][ T8847] ? lock_acquire+0x115/0x350
[ 629.502386][ T8847] ? tun_get_user+0x23ba/0x44d0
[ 629.502442][ T8847] ? __local_bh_enable_ip+0xd6/0x140
[ 629.502534][ T8847] ? tun_get_user+0x27b0/0x44d0
[ 629.502608][ T8847] tun_get_user+0x2be0/0x44d0
[ 629.502711][ T8847] ? tun_get_user+0x27b0/0x44d0
[ 629.502818][ T8847] ? aa_file_perm+0x4ed/0x15f0
[ 629.502906][ T8847] ? __pfx_tun_get_user+0x10/0x10
[ 629.502980][ T8847] ? __lock_acquire+0x747/0x2de0
executing program
[ 629.503053][ T8847] ? kstrtoull+0x137/0x1d0
[ 629.503164][ T8847] ? ref_tracker_alloc+0x341/0x4b0
[ 629.503235][ T8847] ? lock_acquire+0x115/0x350
[ 629.503307][ T8847] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 629.503391][ T8847] ? lock_acquire+0x115/0x350
[ 629.503441][ T8847] ? tun_get+0x1c/0x2f0
[ 629.503522][ T8847] ? tun_get+0x1c/0x2f0
[ 629.503579][ T8847] ? tun_get+0x1c/0x2f0
[ 629.503654][ T8847] tun_chr_write_iter+0x113/0x200
[ 629.503727][ T8847] vfs_write+0x612/0xba0
[ 629.503859][ T8847] ? __pfx_vfs_write+0x10/0x10
[ 629.503991][ T8847] ? do_sys_openat2+0x14e/0x200
** 3 printk messages dropped **
[ 629.504393][ T8847] ? do_fast_syscall_32+0x33/0x70
** 18 printk messages dropped **
[ 629.819770][ T8848] FAULT_INJECTION: forcing a failure.
[ 629.819770][ T8848] name failslab, interval 1, probability 0, space 0, times 0
[ 629.819886][ T8848] CPU: 0 UID: 0 PID: 8848 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 629.819958][ T8848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 629.820018][ T8848] Call Trace:
[ 629.820078][ T8848]
[ 629.820138][ T8848] dump_stack_lvl+0xe8/0x150
[ 629.820262][ T8848] should_fail_ex+0x410/0x560
[ 629.820360][ T8848] should_failslab+0xa8/0x100
[ 629.820473][ T8848] __kmalloc_cache_noprof+0xa3/0x600
[ 629.820556][ T8848] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 629.820662][ T8848] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 629.820789][ T8848] batadv_neigh_ifinfo_new+0x95/0x300
[ 629.820906][ T8848] batadv_iv_ogm_process_per_outif+0x1819/0x2790
[ 629.821058][ T8848] ? batadv_iv_ogm_process_per_outif+0x101a/0x2790
[ 629.821207][ T8848] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 629.821322][ T8848] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 629.821448][ T8848] ? batadv_iv_ogm_orig_get+0x31/0x5c0
[ 629.821557][ T8848] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 629.821656][ T8848] batadv_iv_ogm_receive+0xc13/0x1740
[ 629.821803][ T8848] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 629.821947][ T8848] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 629.822023][ T8848] ? rcu_is_watching+0x16/0xb0
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 629.822104][ T8848] ? __alloc_skb+0x27a/0x7a0
[ 629.822160][ T8848] ? trace_kmem_cache_alloc+0x29/0xe0
[ 629.822290][ T8848] batadv_batman_skb_recv+0x4b6/0x870
[ 629.822370][ T8848] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 629.822412][ T8848] ? netif_receive_skb+0x102/0xbf0
[ 629.822448][ T8848] ? netif_receive_skb+0x102/0xbf0
[ 629.822519][ T8848] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 629.822617][ T8848] netif_receive_skb+0x4af/0xbf0
executing program
[ 629.822750][ T8848] ? __pfx_netif_receive_skb+0x10/0x10
[ 629.822922][ T8848] ? tun_rx_batched+0x185/0x790
[ 629.823005][ T8848] tun_rx_batched+0x1de/0x790
[ 629.823095][ T8848] ? __pfx_tun_rx_batched+0x10/0x10
[ 629.823166][ T8848] ? lock_acquire+0x115/0x350
[ 629.823258][ T8848] ? tun_get_user+0x23ba/0x44d0
[ 629.823329][ T8848] ? __local_bh_enable_ip+0xd6/0x140
[ 629.823405][ T8848] ? tun_get_user+0x27b0/0x44d0
[ 629.823485][ T8848] tun_get_user+0x2be0/0x44d0
[ 629.823593][ T8848] ? tun_get_user+0x27b0/0x44d0
[ 629.823684][ T8848] ? aa_file_perm+0x4ed/0x15f0
[ 629.823790][ T8848] ? __pfx_tun_get_user+0x10/0x10
[ 629.823875][ T8848] ? __lock_acquire+0x747/0x2de0
** 33 printk messages dropped **
[ 630.098076][ T8849] batman_adv: batadv0: Interface activated: syzkaller0
[ 630.104305][ T8849] FAULT_INJECTION: forcing a failure.
[ 630.104305][ T8849] name failslab, interval 1, probability 0, space 0, times 0
[ 630.104400][ T8849] CPU: 0 UID: 0 PID: 8849 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 630.104465][ T8849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 630.104506][ T8849] Call Trace:
[ 630.104528][ T8849]
[ 630.104557][ T8849] dump_stack_lvl+0xe8/0x150
[ 630.104655][ T8849] should_fail_ex+0x410/0x560
[ 630.104733][ T8849] should_failslab+0xa8/0x100
[ 630.104797][ T8849] __kmalloc_cache_noprof+0xa3/0x600
[ 630.104818][ T8849] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 630.104848][ T8849] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 630.104885][ T8849] batadv_neigh_ifinfo_new+0x95/0x300
[ 630.104959][ T8849] batadv_iv_ogm_process_per_outif+0x52e/0x2790
[ 630.105126][ T8849] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 630.105243][ T8849] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 630.105586][ T8849] ? netdev_lower_get_next_private_rcu+0x9f/0x100
[ 630.105678][ T8849] batadv_iv_ogm_receive+0x11c7/0x1740
[ 630.105810][ T8849] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 630.105937][ T8849] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 630.106030][ T8849] ? rcu_is_watching+0x16/0xb0
[ 630.106104][ T8849] ? __alloc_skb+0x27a/0x7a0
[ 630.106197][ T8849] ? trace_kmem_cache_alloc+0x29/0xe0
[ 630.106313][ T8849] batadv_batman_skb_recv+0x4b6/0x870
[ 630.106387][ T8849] ? __pfx_batadv_batman_skb_recv+0x10/0x10
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 630.106474][ T8849] ? netif_receive_skb+0x102/0xbf0
[ 630.106557][ T8849] ? netif_receive_skb+0x102/0xbf0
[ 630.106693][ T8849] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 630.106766][ T8849] netif_receive_skb+0x4af/0xbf0
[ 630.106876][ T8849] ? __pfx_netif_receive_skb+0x10/0x10
[ 630.106990][ T8849] ? tun_rx_batched+0x185/0x790
[ 630.107064][ T8849] tun_rx_batched+0x1de/0x790
executing program
[ 630.107140][ T8849] ? __pfx_tun_rx_batched+0x10/0x10
[ 630.107211][ T8849] ? lock_acquire+0x115/0x350
[ 630.107295][ T8849] ? tun_get_user+0x23ba/0x44d0
[ 630.107351][ T8849] ? __local_bh_enable_ip+0xd6/0x140
[ 630.107433][ T8849] ? tun_get_user+0x27b0/0x44d0
[ 630.107500][ T8849] tun_get_user+0x2be0/0x44d0
[ 630.107598][ T8849] ? tun_get_user+0x27b0/0x44d0
[ 630.107681][ T8849] ? aa_file_perm+0x4ed/0x15f0
** 35 printk messages dropped **
[ 630.369819][ T8850] batman_adv: batadv0: Interface activated: syzkaller0
[ 630.373390][ T8850] FAULT_INJECTION: forcing a failure.
[ 630.373390][ T8850] name failslab, interval 1, probability 0, space 0, times 0
[ 630.373471][ T8850] CPU: 1 UID: 0 PID: 8850 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 630.373551][ T8850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 630.373590][ T8850] Call Trace:
[ 630.373623][ T8850]
[ 630.373659][ T8850] dump_stack_lvl+0xe8/0x150
[ 630.373772][ T8850] should_fail_ex+0x410/0x560
[ 630.373893][ T8850] should_failslab+0xa8/0x100
[ 630.374009][ T8850] __kmalloc_cache_noprof+0xa3/0x600
[ 630.374067][ T8850] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 630.374186][ T8850] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 630.374336][ T8850] batadv_neigh_ifinfo_new+0x95/0x300
[ 630.374462][ T8850] batadv_iv_ogm_process_per_outif+0x52e/0x2790
[ 630.374644][ T8850] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 630.374754][ T8850] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 630.374890][ T8850] ? netdev_lower_get_next_private_rcu+0x9f/0x100
[ 630.374977][ T8850] batadv_iv_ogm_receive+0x11c7/0x1740
[ 630.375138][ T8850] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 630.375248][ T8850] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 630.375278][ T8850] ? rcu_is_watching+0x16/0xb0
[ 630.375301][ T8850] ? __alloc_skb+0x27a/0x7a0
[ 630.375320][ T8850] ? trace_kmem_cache_alloc+0x29/0xe0
[ 630.375425][ T8850] batadv_batman_skb_recv+0x4b6/0x870
[ 630.375528][ T8850] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 630.375634][ T8850] ? netif_receive_skb+0x102/0xbf0
[ 630.375738][ T8850] ? netif_receive_skb+0x102/0xbf0
[ 630.375869][ T8850] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 630.375969][ T8850] netif_receive_skb+0x4af/0xbf0
[ 630.376112][ T8850] ? __pfx_netif_receive_skb+0x10/0x10
[ 630.376263][ T8850] ? tun_rx_batched+0x185/0x790
[ 630.376359][ T8850] tun_rx_batched+0x1de/0x790
[ 630.376474][ T8850] ? __pfx_tun_rx_batched+0x10/0x10
[ 630.376554][ T8850] ? lock_acquire+0x115/0x350
[ 630.376647][ T8850] ? tun_get_user+0x23ba/0x44d0
[ 630.376716][ T8850] ? __local_bh_enable_ip+0xd6/0x140
[ 630.376806][ T8850] ? tun_get_user+0x27b0/0x44d0
[ 630.376916][ T8850] tun_get_user+0x2be0/0x44d0
[ 630.377034][ T8850] ? tun_get_user+0x27b0/0x44d0
[ 630.377126][ T8850] ? aa_file_perm+0x4ed/0x15f0
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 630.377220][ T8850] ? __pfx_tun_get_user+0x10/0x10
[ 630.377341][ T8850] ? __lock_acquire+0x747/0x2de0
[ 630.377417][ T8850] ? kstrtoull+0x137/0x1d0
[ 630.377563][ T8850] ? ref_tracker_alloc+0x341/0x4b0
[ 630.377650][ T8850] ? lock_acquire+0x115/0x350
[ 630.377731][ T8850] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 630.377827][ T8850] ? lock_acquire+0x115/0x350
[ 630.377918][ T8850] ? tun_get+0x1c/0x2f0
[ 630.378001][ T8850] ? tun_get+0x1c/0x2f0
[ 630.378053][ T8850] ? tun_get+0x1c/0x2f0
[ 630.378083][ T8850] tun_chr_write_iter+0x113/0x200
[ 630.378110][ T8850] vfs_write+0x612/0xba0
[ 630.378170][ T8850] ? __pfx_vfs_write+0x10/0x10
[ 630.378237][ T8850] ? do_sys_openat2+0x14e/0x200
[ 630.378285][ T8850] ksys_write+0x150/0x270
[ 630.378326][ T8850] ? __pfx_ksys_write+0x10/0x10
[ 630.378448][ T8850] __do_fast_syscall_32+0x27a/0x6a0
[ 630.378555][ T8850] ? do_fast_syscall_32+0x33/0x70
[ 630.378636][ T8850] ? irqentry_exit+0x10f/0x910
[ 630.378710][ T8850] ? trace_irq_disable+0x3b/0x140
[ 630.378812][ T8850] do_fast_syscall_32+0x33/0x70
[ 630.378896][ T8850] entry_SYSENTER_compat_after_hwframe+0x84/0x8e
[ 630.378986][ T8850] RIP: 0023:0xf7dbf0ec
executing program
[ 630.379045][ T8850] Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8
[ 630.379103][ T8850] RSP: 002b:00000000f7f8fcec EFLAGS: 00000206 ORIG_RAX: 0000000000000004
[ 630.379186][ T8850] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000800
[ 630.379233][ T8850] RDX: 0000000000000026 RSI: 00000000f7e3c24d RDI: 0000000000000006
[ 630.379278][ T8850] RBP: 00000000000000d5 R08: 0000000000000000 R09: 0000000000000000
[ 630.379323][ T8850] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[ 630.379352][ T8850] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 630.379455][ T8850]
[ 630.384387][ T8850] batman_adv: batadv0: Interface deactivated: syzkaller0
[ 630.450079][ T8850] batman_adv: batadv0: Removing interface: syzkaller0
[ 630.528747][ T1310] ieee802154 phy0 wpan0: encryption failed: -22
[ 630.528940][ T1310] ieee802154 phy1 wpan1: encryption failed: -22
** 2 printk messages dropped **
[ 630.699925][ T8851] batman_adv: batadv0: Interface activated: syzkaller0
[ 630.708843][ T8851] FAULT_INJECTION: forcing a failure.
[ 630.708843][ T8851] name failslab, interval 1, probability 0, space 0, times 0
[ 630.708967][ T8851] CPU: 1 UID: 0 PID: 8851 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 630.709147][ T8851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 630.709194][ T8851] Call Trace:
[ 630.709225][ T8851]
[ 630.709245][ T8851] dump_stack_lvl+0xe8/0x150
[ 630.709347][ T8851] should_fail_ex+0x410/0x560
[ 630.709436][ T8851] should_failslab+0xa8/0x100
[ 630.709514][ T8851] __kmalloc_cache_noprof+0xa3/0x600
[ 630.709595][ T8851] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 630.709701][ T8851] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 630.709815][ T8851] batadv_neigh_ifinfo_new+0x95/0x300
[ 630.709943][ T8851] batadv_iv_ogm_process_per_outif+0x1819/0x2790
[ 630.710087][ T8851] ? batadv_iv_ogm_process_per_outif+0x101a/0x2790
[ 630.710214][ T8851] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 630.710313][ T8851] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 630.710365][ T8851] ? batadv_iv_ogm_orig_get+0x31/0x5c0
[ 630.710394][ T8851] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 630.710429][ T8851] batadv_iv_ogm_receive+0xc13/0x1740
[ 630.710565][ T8851] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 630.710690][ T8851] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 630.710788][ T8851] ? rcu_is_watching+0x16/0xb0
[ 630.710939][ T8851] ? __alloc_skb+0x27a/0x7a0
[ 630.711014][ T8851] ? trace_kmem_cache_alloc+0x29/0xe0
[ 630.711107][ T8851] batadv_batman_skb_recv+0x4b6/0x870
[ 630.711178][ T8851] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 630.711261][ T8851] ? netif_receive_skb+0x102/0xbf0
[ 630.711343][ T8851] ? netif_receive_skb+0x102/0xbf0
[ 630.711678][ T8851] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 630.711776][ T8851] netif_receive_skb+0x4af/0xbf0
[ 630.711919][ T8851] ? __pfx_netif_receive_skb+0x10/0x10
[ 630.712030][ T8851] ? tun_rx_batched+0x185/0x790
[ 630.712131][ T8851] tun_rx_batched+0x1de/0x790
[ 630.712230][ T8851] ? __pfx_tun_rx_batched+0x10/0x10
[ 630.712298][ T8851] ? lock_acquire+0x115/0x350
[ 630.712538][ T8851] ? tun_get_user+0x23ba/0x44d0
[ 630.712624][ T8851] ? __local_bh_enable_ip+0xd6/0x140
[ 630.712700][ T8851] ? tun_get_user+0x27b0/0x44d0
[ 630.712785][ T8851] tun_get_user+0x2be0/0x44d0
[ 630.712851][ T8851] ? trace_sched_exit_tp+0x3a/0x130
[ 630.712969][ T8851] ? tun_get_user+0x27b0/0x44d0
[ 630.713123][ T8851] ? __pfx_tun_get_user+0x10/0x10
[ 630.713203][ T8851] ? __lock_acquire+0x747/0x2de0
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 630.713283][ T8851] ? __pfx___schedule+0x10/0x10
[ 630.713420][ T8851] ? irqentry_exit+0x218/0x910
[ 630.713499][ T8851] ? irqentry_exit+0x218/0x910
[ 630.713554][ T8851] ? trace_irq_disable+0x3b/0x140
[ 630.713663][ T8851] ? tun_chr_write_iter+0xd9/0x200
[ 630.713749][ T8851] tun_chr_write_iter+0x113/0x200
[ 630.713829][ T8851] vfs_write+0x612/0xba0
[ 630.713954][ T8851] ? __pfx_vfs_write+0x10/0x10
[ 630.714077][ T8851] ? do_sys_openat2+0x14e/0x200
[ 630.714193][ T8851] ksys_write+0x150/0x270
[ 630.714339][ T8851] ? __pfx_ksys_write+0x10/0x10
[ 630.714465][ T8851] __do_fast_syscall_32+0x27a/0x6a0
[ 630.714540][ T8851] ? do_fast_syscall_32+0x33/0x70
[ 630.714613][ T8851] ? irqentry_exit+0x10f/0x910
[ 630.714675][ T8851] ? trace_irq_disable+0x3b/0x140
[ 630.714768][ T8851] do_fast_syscall_32+0x33/0x70
[ 630.714846][ T8851] entry_SYSENTER_compat_after_hwframe+0x84/0x8e
[ 630.714923][ T8851] RIP: 0023:0xf7dbf0ec
executing program
[ 630.714986][ T8851] Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8
[ 630.715039][ T8851] RSP: 002b:00000000f7f8fcec EFLAGS: 00000206 ORIG_RAX: 0000000000000004
[ 630.715114][ T8851] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000800
[ 630.715157][ T8851] RDX: 0000000000000026 RSI: 00000000f7e3c24d RDI: 0000000000000006
[ 630.715199][ T8851] RBP: 00000000000000d6 R08: 0000000000000000 R09: 0000000000000000
[ 630.715232][ T8851] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[ 630.715277][ T8851] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 630.715392][ T8851]
[ 630.733311][ T8851] batman_adv: batadv0: Interface deactivated: syzkaller0
[ 630.810693][ T8851] batman_adv: batadv0: Removing interface: syzkaller0
[ 630.973480][ T8852] batman_adv: batadv0: Adding interface: syzkaller0
[ 630.973525][ T8852] batman_adv: batadv0: The MTU of interface syzkaller0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 630.973618][ T8852] batman_adv: batadv0: Interface activated: syzkaller0
[ 630.977355][ T8852] FAULT_INJECTION: forcing a failure.
[ 630.977355][ T8852] name failslab, interval 1, probability 0, space 0, times 0
[ 630.977442][ T8852] CPU: 0 UID: 0 PID: 8852 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 630.977505][ T8852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 630.977547][ T8852] Call Trace:
[ 630.977569][ T8852]
[ 630.977599][ T8852] dump_stack_lvl+0xe8/0x150
[ 630.977695][ T8852] should_fail_ex+0x410/0x560
[ 630.977772][ T8852] should_failslab+0xa8/0x100
[ 630.977861][ T8852] __kmalloc_cache_noprof+0xa3/0x600
[ 630.977931][ T8852] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 630.978018][ T8852] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 630.978128][ T8852] batadv_neigh_ifinfo_new+0x95/0x300
[ 630.978226][ T8852] batadv_iv_ogm_process_per_outif+0x52e/0x2790
[ 630.978408][ T8852] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 630.978524][ T8852] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 630.978654][ T8852] ? netdev_lower_get_next_private_rcu+0x9f/0x100
[ 630.978731][ T8852] batadv_iv_ogm_receive+0x11c7/0x1740
[ 630.978958][ T8852] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 630.979113][ T8852] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 630.979229][ T8852] ? rcu_is_watching+0x16/0xb0
[ 630.979387][ T8852] ? __alloc_skb+0x27a/0x7a0
[ 630.979462][ T8852] ? trace_kmem_cache_alloc+0x29/0xe0
[ 630.979574][ T8852] batadv_batman_skb_recv+0x4b6/0x870
[ 630.979665][ T8852] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 630.979755][ T8852] ? netif_receive_skb+0x102/0xbf0
[ 630.979958][ T8852] ? netif_receive_skb+0x102/0xbf0
[ 630.980085][ T8852] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 630.980176][ T8852] netif_receive_skb+0x4af/0xbf0
[ 630.980284][ T8852] ? __pfx_netif_receive_skb+0x10/0x10
[ 630.980385][ T8852] ? tun_rx_batched+0x185/0x790
[ 630.980466][ T8852] tun_rx_batched+0x1de/0x790
[ 630.980543][ T8852] ? __pfx_tun_rx_batched+0x10/0x10
[ 630.980615][ T8852] ? lock_acquire+0x115/0x350
[ 630.980701][ T8852] ? tun_get_user+0x23ba/0x44d0
[ 630.980764][ T8852] ? __local_bh_enable_ip+0xd6/0x140
[ 630.980855][ T8852] ? tun_get_user+0x27b0/0x44d0
[ 630.980922][ T8852] tun_get_user+0x2be0/0x44d0
[ 630.981030][ T8852] ? tun_get_user+0x27b0/0x44d0
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 630.981114][ T8852] ? aa_file_perm+0x4ed/0x15f0
[ 630.981191][ T8852] ? __pfx_tun_get_user+0x10/0x10
[ 630.981260][ T8852] ? __lock_acquire+0x747/0x2de0
[ 630.981329][ T8852] ? kstrtoull+0x137/0x1d0
[ 630.981445][ T8852] ? ref_tracker_alloc+0x341/0x4b0
[ 630.981517][ T8852] ? lock_acquire+0x115/0x350
[ 630.981581][ T8852] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 630.981671][ T8852] ? lock_acquire+0x115/0x350
[ 630.981734][ T8852] ? tun_get+0x1c/0x2f0
[ 630.981817][ T8852] ? tun_get+0x1c/0x2f0
[ 630.981881][ T8852] ? tun_get+0x1c/0x2f0
[ 630.981957][ T8852] tun_chr_write_iter+0x113/0x200
[ 630.982031][ T8852] vfs_write+0x612/0xba0
[ 630.982147][ T8852] ? __pfx_vfs_write+0x10/0x10
executing program
[ 630.982263][ T8852] ? do_sys_openat2+0x14e/0x200
[ 630.982363][ T8852] ksys_write+0x150/0x270
[ 630.982485][ T8852] ? __pfx_ksys_write+0x10/0x10
[ 630.982539][ T8852] __do_fast_syscall_32+0x27a/0x6a0
[ 630.982565][ T8852] ? do_fast_syscall_32+0x33/0x70
[ 630.982590][ T8852] ? irqentry_exit+0x10f/0x910
[ 630.982611][ T8852] ? trace_irq_disable+0x3b/0x140
[ 630.982638][ T8852] do_fast_syscall_32+0x33/0x70
[ 630.982665][ T8852] entry_SYSENTER_compat_after_hwframe+0x84/0x8e
[ 630.982691][ T8852] RIP: 0023:0xf7dbf0ec
[ 630.982714][ T8852] Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8
[ 630.982733][ T8852] RSP: 002b:00000000f7f8fcec EFLAGS: 00000206 ORIG_RAX: 0000000000000004
[ 630.982758][ T8852] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000800
[ 630.982773][ T8852] RDX: 0000000000000026 RSI: 00000000f7e3c24d RDI: 0000000000000006
[ 630.982795][ T8852] RBP: 00000000000000d7 R08: 0000000000000000 R09: 0000000000000000
[ 630.982810][ T8852] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
** 7 printk messages dropped **
[ 631.310171][ T8853] FAULT_INJECTION: forcing a failure.
[ 631.310171][ T8853] name failslab, interval 1, probability 0, space 0, times 0
[ 631.310259][ T8853] CPU: 0 UID: 0 PID: 8853 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 631.310333][ T8853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 631.310367][ T8853] Call Trace:
[ 631.310397][ T8853]
[ 631.310419][ T8853] dump_stack_lvl+0xe8/0x150
[ 631.310523][ T8853] should_fail_ex+0x410/0x560
[ 631.310606][ T8853] should_failslab+0xa8/0x100
[ 631.310690][ T8853] __kmalloc_cache_noprof+0xa3/0x600
[ 631.310761][ T8853] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 631.310849][ T8853] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 631.310950][ T8853] batadv_neigh_ifinfo_new+0x95/0x300
[ 631.311043][ T8853] batadv_iv_ogm_process_per_outif+0x1819/0x2790
[ 631.311190][ T8853] ? batadv_iv_ogm_process_per_outif+0x101a/0x2790
[ 631.311292][ T8853] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 631.311390][ T8853] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 631.311518][ T8853] ? batadv_iv_ogm_orig_get+0x31/0x5c0
[ 631.311589][ T8853] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 631.311643][ T8853] batadv_iv_ogm_receive+0xc13/0x1740
[ 631.311678][ T8853] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 631.311750][ T8853] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 631.311852][ T8853] ? rcu_is_watching+0x16/0xb0
[ 631.311919][ T8853] ? __alloc_skb+0x27a/0x7a0
[ 631.311982][ T8853] ? trace_kmem_cache_alloc+0x29/0xe0
[ 631.312107][ T8853] batadv_batman_skb_recv+0x4b6/0x870
[ 631.312190][ T8853] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 631.312266][ T8853] ? netif_receive_skb+0x102/0xbf0
[ 631.312351][ T8853] ? netif_receive_skb+0x102/0xbf0
[ 631.312441][ T8853] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 631.312505][ T8853] netif_receive_skb+0x4af/0xbf0
[ 631.312613][ T8853] ? __pfx_netif_receive_skb+0x10/0x10
[ 631.312746][ T8853] ? tun_rx_batched+0x185/0x790
[ 631.312833][ T8853] tun_rx_batched+0x1de/0x790
[ 631.312923][ T8853] ? __pfx_tun_rx_batched+0x10/0x10
[ 631.312996][ T8853] ? lock_acquire+0x115/0x350
[ 631.313091][ T8853] ? tun_get_user+0x23ba/0x44d0
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 631.313154][ T8853] ? __local_bh_enable_ip+0xd6/0x140
[ 631.313228][ T8853] ? tun_get_user+0x27b0/0x44d0
[ 631.313299][ T8853] tun_get_user+0x2be0/0x44d0
[ 631.313388][ T8853] ? tun_get_user+0x27b0/0x44d0
[ 631.313480][ T8853] ? aa_file_perm+0x4ed/0x15f0
[ 631.313553][ T8853] ? __pfx_tun_get_user+0x10/0x10
[ 631.313622][ T8853] ? __lock_acquire+0x747/0x2de0
[ 631.313687][ T8853] ? kstrtoull+0x137/0x1d0
[ 631.313800][ T8853] ? ref_tracker_alloc+0x341/0x4b0
executing program
[ 631.313864][ T8853] ? lock_acquire+0x115/0x350
[ 631.313926][ T8853] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 631.314001][ T8853] ? lock_acquire+0x115/0x350
[ 631.314062][ T8853] ? tun_get+0x1c/0x2f0
[ 631.314153][ T8853] ? tun_get+0x1c/0x2f0
[ 631.314207][ T8853] ? tun_get+0x1c/0x2f0
[ 631.314280][ T8853] tun_chr_write_iter+0x113/0x200
[ 631.314356][ T8853] vfs_write+0x612/0xba0
[ 631.314465][ T8853] ? __pfx_vfs_write+0x10/0x10
[ 631.314594][ T8853] ? do_sys_openat2+0x14e/0x200
[ 631.314698][ T8853] ksys_write+0x150/0x270
[ 631.314792][ T8853] ? __pfx_ksys_write+0x10/0x10
[ 631.314907][ T8853] __do_fast_syscall_32+0x27a/0x6a0
[ 631.314980][ T8853] ? do_fast_syscall_32+0x33/0x70
[ 631.315044][ T8853] ? irqentry_exit+0x10f/0x910
[ 631.315127][ T8853] do_fast_syscall_32+0x33/0x70
[ 631.315198][ T8853] entry_SYSENTER_compat_after_hwframe+0x84/0x8e
[ 631.315265][ T8853] RIP: 0023:0xf7dbf0ec
[ 631.315335][ T8853] Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8
[ 631.315387][ T8853] RSP: 002b:00000000f7f8fcec EFLAGS: 00000206 ORIG_RAX: 0000000000000004
[ 631.315450][ T8853] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000080000800
** 10 printk messages dropped **
[ 631.620801][ T8854] FAULT_INJECTION: forcing a failure.
[ 631.620801][ T8854] name failslab, interval 1, probability 0, space 0, times 0
[ 631.620908][ T8854] CPU: 0 UID: 0 PID: 8854 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 631.620955][ T8854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 631.620991][ T8854] Call Trace:
[ 631.621022][ T8854]
[ 631.621052][ T8854] dump_stack_lvl+0xe8/0x150
[ 631.621452][ T8854] should_fail_ex+0x410/0x560
[ 631.621528][ T8854] should_failslab+0xa8/0x100
[ 631.621616][ T8854] __kmalloc_cache_noprof+0xa3/0x600
[ 631.621689][ T8854] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 631.621773][ T8854] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 631.621810][ T8854] batadv_neigh_ifinfo_new+0x95/0x300
[ 631.621855][ T8854] batadv_iv_ogm_process_per_outif+0x1819/0x2790
[ 631.622015][ T8854] ? batadv_iv_ogm_process_per_outif+0x101a/0x2790
[ 631.622129][ T8854] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 631.622227][ T8854] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 631.622353][ T8854] ? batadv_iv_ogm_orig_get+0x31/0x5c0
[ 631.622473][ T8854] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 631.622579][ T8854] batadv_iv_ogm_receive+0xc13/0x1740
[ 631.622710][ T8854] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 631.622845][ T8854] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 631.622961][ T8854] ? rcu_is_watching+0x16/0xb0
[ 631.623045][ T8854] ? __alloc_skb+0x27a/0x7a0
[ 631.623109][ T8854] ? trace_kmem_cache_alloc+0x29/0xe0
[ 631.623227][ T8854] batadv_batman_skb_recv+0x4b6/0x870
[ 631.623323][ T8854] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 631.623401][ T8854] ? netif_receive_skb+0x102/0xbf0
[ 631.623504][ T8854] ? netif_receive_skb+0x102/0xbf0
[ 631.623606][ T8854] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 631.623687][ T8854] netif_receive_skb+0x4af/0xbf0
[ 631.623783][ T8854] ? __pfx_netif_receive_skb+0x10/0x10
[ 631.623897][ T8854] ? tun_rx_batched+0x185/0x790
[ 631.623966][ T8854] tun_rx_batched+0x1de/0x790
[ 631.624051][ T8854] ? __pfx_tun_rx_batched+0x10/0x10
[ 631.624125][ T8854] ? lock_acquire+0x115/0x350
[ 631.624211][ T8854] ? tun_get_user+0x23ba/0x44d0
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
executing program
[ 631.624277][ T8854] ? __local_bh_enable_ip+0xd6/0x140
[ 631.624346][ T8854] ? tun_get_user+0x27b0/0x44d0
[ 631.624412][ T8854] tun_get_user+0x2be0/0x44d0
[ 631.624535][ T8854] ? tun_get_user+0x27b0/0x44d0
[ 631.624613][ T8854] ? aa_file_perm+0x4ed/0x15f0
[ 631.624696][ T8854] ? __pfx_tun_get_user+0x10/0x10
[ 631.624763][ T8854] ? __lock_acquire+0x747/0x2de0
[ 631.624828][ T8854] ? kstrtoull+0x137/0x1d0
[ 631.624943][ T8854] ? ref_tracker_alloc+0x341/0x4b0
[ 631.625008][ T8854] ? lock_acquire+0x115/0x350
[ 631.625071][ T8854] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 631.625146][ T8854] ? lock_acquire+0x115/0x350
[ 631.625235][ T8854] ? tun_get+0x1c/0x2f0
[ 631.625330][ T8854] ? tun_get+0x1c/0x2f0
[ 631.625384][ T8854] ? tun_get+0x1c/0x2f0
[ 631.625457][ T8854] tun_chr_write_iter+0x113/0x200
[ 631.625526][ T8854] vfs_write+0x612/0xba0
[ 631.625640][ T8854] ? __pfx_vfs_write+0x10/0x10
** 22 printk messages dropped **
[ 632.017459][ T8855] batman_adv: batadv0: Interface activated: syzkaller0
[ 632.024011][ T8855] FAULT_INJECTION: forcing a failure.
[ 632.024011][ T8855] name failslab, interval 1, probability 0, space 0, times 0
[ 632.024129][ T8855] CPU: 0 UID: 0 PID: 8855 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 632.024236][ T8855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 632.024286][ T8855] Call Trace:
[ 632.024309][ T8855]
[ 632.024332][ T8855] dump_stack_lvl+0xe8/0x150
[ 632.024435][ T8855] should_fail_ex+0x410/0x560
[ 632.024568][ T8855] should_failslab+0xa8/0x100
[ 632.024665][ T8855] __kmalloc_cache_noprof+0xa3/0x600
[ 632.024730][ T8855] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 632.024843][ T8855] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 632.024960][ T8855] batadv_neigh_ifinfo_new+0x95/0x300
[ 632.025065][ T8855] batadv_iv_ogm_process_per_outif+0x1819/0x2790
[ 632.025209][ T8855] ? batadv_iv_ogm_process_per_outif+0x101a/0x2790
[ 632.025320][ T8855] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 632.025417][ T8855] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 632.025551][ T8855] ? batadv_iv_ogm_orig_get+0x31/0x5c0
[ 632.025659][ T8855] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 632.025758][ T8855] batadv_iv_ogm_receive+0xc13/0x1740
[ 632.025886][ T8855] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 632.026013][ T8855] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 632.026146][ T8855] ? rcu_is_watching+0x16/0xb0
[ 632.026220][ T8855] ? __alloc_skb+0x27a/0x7a0
[ 632.026284][ T8855] ? trace_kmem_cache_alloc+0x29/0xe0
[ 632.026406][ T8855] batadv_batman_skb_recv+0x4b6/0x870
[ 632.026481][ T8855] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 632.026560][ T8855] ? netif_receive_skb+0x102/0xbf0
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 632.026619][ T8855] ? netif_receive_skb+0x102/0xbf0
[ 632.026717][ T8855] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 632.026808][ T8855] netif_receive_skb+0x4af/0xbf0
[ 632.026915][ T8855] ? __pfx_netif_receive_skb+0x10/0x10
[ 632.027048][ T8855] ? tun_rx_batched+0x185/0x790
[ 632.027122][ T8855] tun_rx_batched+0x1de/0x790
[ 632.027205][ T8855] ? __pfx_tun_rx_batched+0x10/0x10
[ 632.027261][ T8855] ? lock_acquire+0x115/0x350
executing program
[ 632.027345][ T8855] ? tun_get_user+0x23ba/0x44d0
[ 632.027406][ T8855] ? __local_bh_enable_ip+0xd6/0x140
[ 632.027489][ T8855] ? tun_get_user+0x27b0/0x44d0
[ 632.027555][ T8855] tun_get_user+0x2be0/0x44d0
[ 632.027662][ T8855] ? tun_get_user+0x27b0/0x44d0
[ 632.027763][ T8855] ? aa_file_perm+0x4ed/0x15f0
[ 632.027840][ T8855] ? __pfx_tun_get_user+0x10/0x10
[ 632.027899][ T8855] ? __lock_acquire+0x747/0x2de0
[ 632.027969][ T8855] ? kstrtoull+0x137/0x1d0
[ 632.028302][ T8855] ? ref_tracker_alloc+0x341/0x4b0
** 25 printk messages dropped **
[ 632.030604][ T8855] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
** 5 printk messages dropped **
[ 632.329479][ T8856] batman_adv: batadv0: Interface activated: syzkaller0
[ 632.335602][ T8856] FAULT_INJECTION: forcing a failure.
[ 632.335602][ T8856] name failslab, interval 1, probability 0, space 0, times 0
[ 632.335751][ T8856] CPU: 0 UID: 0 PID: 8856 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 632.335824][ T8856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 632.335870][ T8856] Call Trace:
[ 632.335903][ T8856]
[ 632.335932][ T8856] dump_stack_lvl+0xe8/0x150
[ 632.336051][ T8856] should_fail_ex+0x410/0x560
[ 632.336122][ T8856] should_failslab+0xa8/0x100
[ 632.336210][ T8856] __kmalloc_cache_noprof+0xa3/0x600
[ 632.336291][ T8856] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 632.336397][ T8856] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 632.336528][ T8856] batadv_neigh_ifinfo_new+0x95/0x300
[ 632.336655][ T8856] batadv_iv_ogm_process_per_outif+0x1819/0x2790
[ 632.336831][ T8856] ? batadv_iv_ogm_process_per_outif+0x101a/0x2790
[ 632.336968][ T8856] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 632.337078][ T8856] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 632.337196][ T8856] ? batadv_iv_ogm_orig_get+0x31/0x5c0
[ 632.337290][ T8856] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 632.337398][ T8856] batadv_iv_ogm_receive+0xc13/0x1740
[ 632.337537][ T8856] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 632.337675][ T8856] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 632.337775][ T8856] ? rcu_is_watching+0x16/0xb0
[ 632.337855][ T8856] ? __alloc_skb+0x27a/0x7a0
[ 632.337923][ T8856] ? trace_kmem_cache_alloc+0x29/0xe0
[ 632.338063][ T8856] batadv_batman_skb_recv+0x4b6/0x870
[ 632.338161][ T8856] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 632.338266][ T8856] ? netif_receive_skb+0x102/0xbf0
[ 632.338349][ T8856] ? netif_receive_skb+0x102/0xbf0
[ 632.338594][ T8856] ? __pfx_batadv_batman_skb_recv+0x10/0x10
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 632.338677][ T8856] netif_receive_skb+0x4af/0xbf0
[ 632.338795][ T8856] ? __pfx_netif_receive_skb+0x10/0x10
[ 632.338923][ T8856] ? tun_rx_batched+0x185/0x790
[ 632.339020][ T8856] tun_rx_batched+0x1de/0x790
[ 632.339127][ T8856] ? __pfx_tun_rx_batched+0x10/0x10
[ 632.339190][ T8856] ? lock_acquire+0x115/0x350
[ 632.339285][ T8856] ? tun_get_user+0x23ba/0x44d0
[ 632.339391][ T8856] ? __local_bh_enable_ip+0xd6/0x140
executing program
[ 632.339474][ T8856] ? tun_get_user+0x27b0/0x44d0
[ 632.339584][ T8856] tun_get_user+0x2be0/0x44d0
[ 632.339704][ T8856] ? tun_get_user+0x27b0/0x44d0
[ 632.339795][ T8856] ? aa_file_perm+0x4ed/0x15f0
[ 632.339885][ T8856] ? __pfx_tun_get_user+0x10/0x10
[ 632.339951][ T8856] ? __lock_acquire+0x747/0x2de0
[ 632.340031][ T8856] ? kstrtoull+0x137/0x1d0
[ 632.340147][ T8856] ? ref_tracker_alloc+0x341/0x4b0
[ 632.340226][ T8856] ? lock_acquire+0x115/0x350
[ 632.340282][ T8856] ? __pfx_ref_tracker_alloc+0x10/0x10
** 29 printk messages dropped **
[ 632.644366][ T8857] batman_adv: batadv0: Interface activated: syzkaller0
[ 632.648902][ T8857] FAULT_INJECTION: forcing a failure.
[ 632.648902][ T8857] name failslab, interval 1, probability 0, space 0, times 0
[ 632.649000][ T8857] CPU: 0 UID: 0 PID: 8857 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 632.649072][ T8857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 632.649107][ T8857] Call Trace:
[ 632.649129][ T8857]
[ 632.649159][ T8857] dump_stack_lvl+0xe8/0x150
[ 632.649264][ T8857] should_fail_ex+0x410/0x560
[ 632.649356][ T8857] should_failslab+0xa8/0x100
[ 632.649442][ T8857] __kmalloc_cache_noprof+0xa3/0x600
[ 632.649506][ T8857] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 632.649609][ T8857] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 632.649740][ T8857] batadv_neigh_ifinfo_new+0x95/0x300
[ 632.649845][ T8857] batadv_iv_ogm_process_per_outif+0x52e/0x2790
[ 632.650011][ T8857] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 632.650113][ T8857] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 632.650207][ T8857] ? netdev_lower_get_next_private_rcu+0x9f/0x100
[ 632.650329][ T8857] batadv_iv_ogm_receive+0x11c7/0x1740
[ 632.650461][ T8857] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 632.650614][ T8857] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 632.650814][ T8857] ? rcu_is_watching+0x16/0xb0
[ 632.650907][ T8857] ? __alloc_skb+0x27a/0x7a0
[ 632.650975][ T8857] ? trace_kmem_cache_alloc+0x29/0xe0
[ 632.651108][ T8857] batadv_batman_skb_recv+0x4b6/0x870
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 632.651203][ T8857] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 632.651345][ T8857] ? netif_receive_skb+0x102/0xbf0
[ 632.651427][ T8857] ? netif_receive_skb+0x102/0xbf0
[ 632.651543][ T8857] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 632.651645][ T8857] netif_receive_skb+0x4af/0xbf0
[ 632.651765][ T8857] ? __pfx_netif_receive_skb+0x10/0x10
[ 632.651882][ T8857] ? tun_rx_batched+0x185/0x790
[ 632.651960][ T8857] tun_rx_batched+0x1de/0x790
[ 632.652002][ T8857] ? __pfx_tun_rx_batched+0x10/0x10
[ 632.652026][ T8857] ? lock_acquire+0x115/0x350
[ 632.652056][ T8857] ? tun_get_user+0x23ba/0x44d0
[ 632.652125][ T8857] ? __local_bh_enable_ip+0xd6/0x140
[ 632.652218][ T8857] ? tun_get_user+0x27b0/0x44d0
executing program
[ 632.652332][ T8857] tun_get_user+0x2be0/0x44d0
[ 632.652478][ T8857] ? tun_get_user+0x27b0/0x44d0
[ 632.652565][ T8857] ? aa_file_perm+0x4ed/0x15f0
[ 632.652641][ T8857] ? __pfx_tun_get_user+0x10/0x10
[ 632.652715][ T8857] ? __lock_acquire+0x747/0x2de0
[ 632.652788][ T8857] ? kstrtoull+0x137/0x1d0
[ 632.652903][ T8857] ? ref_tracker_alloc+0x341/0x4b0
[ 632.652991][ T8857] ? lock_acquire+0x115/0x350
[ 632.653048][ T8857] ? __pfx_ref_tracker_alloc+0x10/0x10
** 5 printk messages dropped **
[ 632.653486][ T8857] vfs_write+0x612/0xba0
** 22 printk messages dropped **
[ 633.014130][ T8858] batman_adv: batadv0: Interface activated: syzkaller0
[ 633.018605][ T8858] FAULT_INJECTION: forcing a failure.
[ 633.018605][ T8858] name failslab, interval 1, probability 0, space 0, times 0
[ 633.018775][ T8858] CPU: 0 UID: 0 PID: 8858 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 633.018840][ T8858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 633.018879][ T8858] Call Trace:
[ 633.018902][ T8858]
[ 633.018961][ T8858] dump_stack_lvl+0xe8/0x150
[ 633.019058][ T8858] should_fail_ex+0x410/0x560
[ 633.019155][ T8858] should_failslab+0xa8/0x100
[ 633.019259][ T8858] __kmalloc_cache_noprof+0xa3/0x600
[ 633.019325][ T8858] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 633.019432][ T8858] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 633.019574][ T8858] batadv_neigh_ifinfo_new+0x95/0x300
[ 633.019685][ T8858] batadv_iv_ogm_process_per_outif+0x1819/0x2790
[ 633.019835][ T8858] ? batadv_iv_ogm_process_per_outif+0x101a/0x2790
[ 633.019941][ T8858] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 633.020057][ T8858] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 633.020171][ T8858] ? batadv_iv_ogm_orig_get+0x31/0x5c0
[ 633.020255][ T8858] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 633.020362][ T8858] batadv_iv_ogm_receive+0xc13/0x1740
[ 633.020491][ T8858] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 633.020678][ T8858] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 633.020765][ T8858] ? rcu_is_watching+0x16/0xb0
[ 633.020837][ T8858] ? __alloc_skb+0x27a/0x7a0
[ 633.020905][ T8858] ? trace_kmem_cache_alloc+0x29/0xe0
[ 633.020997][ T8858] batadv_batman_skb_recv+0x4b6/0x870
[ 633.021072][ T8858] ? __pfx_batadv_batman_skb_recv+0x10/0x10
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 633.021150][ T8858] ? netif_receive_skb+0x102/0xbf0
[ 633.021235][ T8858] ? netif_receive_skb+0x102/0xbf0
[ 633.021326][ T8858] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 633.021419][ T8858] netif_receive_skb+0x4af/0xbf0
[ 633.021536][ T8858] ? __pfx_netif_receive_skb+0x10/0x10
[ 633.021669][ T8858] ? tun_rx_batched+0x185/0x790
executing program
[ 633.021735][ T8858] tun_rx_batched+0x1de/0x790
[ 633.021818][ T8858] ? __pfx_tun_rx_batched+0x10/0x10
[ 633.021881][ T8858] ? lock_acquire+0x115/0x350
[ 633.021958][ T8858] ? tun_get_user+0x23ba/0x44d0
[ 633.022015][ T8858] ? __local_bh_enable_ip+0xd6/0x140
[ 633.022086][ T8858] ? tun_get_user+0x27b0/0x44d0
[ 633.022109][ T8858] tun_get_user+0x2be0/0x44d0
[ 633.022146][ T8858] ? tun_get_user+0x27b0/0x44d0
[ 633.022173][ T8858] ? aa_file_perm+0x4ed/0x15f0
** 16 printk messages dropped **
[ 633.023549][ T8858] ? __pfx_ksys_write+0x10/0x10
** 18 printk messages dropped **
[ 633.314236][ T8859] batman_adv: batadv0: Interface activated: syzkaller0
[ 633.318663][ T8859] FAULT_INJECTION: forcing a failure.
[ 633.318663][ T8859] name failslab, interval 1, probability 0, space 0, times 0
[ 633.318754][ T8859] CPU: 0 UID: 0 PID: 8859 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 633.318825][ T8859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 633.318872][ T8859] Call Trace:
[ 633.318901][ T8859]
[ 633.318936][ T8859] dump_stack_lvl+0xe8/0x150
[ 633.319054][ T8859] should_fail_ex+0x410/0x560
[ 633.319138][ T8859] should_failslab+0xa8/0x100
[ 633.319216][ T8859] __kmalloc_cache_noprof+0xa3/0x600
[ 633.319293][ T8859] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 633.319389][ T8859] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 633.319525][ T8859] batadv_neigh_ifinfo_new+0x95/0x300
[ 633.319623][ T8859] batadv_iv_ogm_process_per_outif+0x52e/0x2790
[ 633.319790][ T8859] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 633.319885][ T8859] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 633.319987][ T8859] ? netdev_lower_get_next_private_rcu+0x9f/0x100
[ 633.320072][ T8859] batadv_iv_ogm_receive+0x11c7/0x1740
[ 633.320234][ T8859] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 633.320361][ T8859] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
executing program
[ 633.320496][ T8859] ? rcu_is_watching+0x16/0xb0
[ 633.320614][ T8859] ? __alloc_skb+0x27a/0x7a0
[ 633.320676][ T8859] ? trace_kmem_cache_alloc+0x29/0xe0
[ 633.320783][ T8859] batadv_batman_skb_recv+0x4b6/0x870
[ 633.320859][ T8859] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 633.320940][ T8859] ? netif_receive_skb+0x102/0xbf0
[ 633.321025][ T8859] ? netif_receive_skb+0x102/0xbf0
[ 633.321110][ T8859] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 633.321174][ T8859] netif_receive_skb+0x4af/0xbf0
[ 633.321280][ T8859] ? __pfx_netif_receive_skb+0x10/0x10
[ 633.321354][ T8859] ? tun_rx_batched+0x185/0x790
[ 633.321379][ T8859] tun_rx_batched+0x1de/0x790
[ 633.321430][ T8859] ? __pfx_tun_rx_batched+0x10/0x10
[ 633.321510][ T8859] ? lock_acquire+0x115/0x350
[ 633.321594][ T8859] ? tun_get_user+0x23ba/0x44d0
[ 633.321659][ T8859] ? __local_bh_enable_ip+0xd6/0x140
[ 633.321733][ T8859] ? tun_get_user+0x27b0/0x44d0
[ 633.321798][ T8859] tun_get_user+0x2be0/0x44d0
** 37 printk messages dropped **
[ 633.667509][ T8860] FAULT_INJECTION: forcing a failure.
[ 633.667509][ T8860] name failslab, interval 1, probability 0, space 0, times 0
[ 633.667614][ T8860] CPU: 0 UID: 0 PID: 8860 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 633.667693][ T8860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 633.667729][ T8860] Call Trace:
[ 633.667760][ T8860]
[ 633.667783][ T8860] dump_stack_lvl+0xe8/0x150
[ 633.667892][ T8860] should_fail_ex+0x410/0x560
[ 633.667974][ T8860] should_failslab+0xa8/0x100
[ 633.668051][ T8860] __kmalloc_cache_noprof+0xa3/0x600
[ 633.668123][ T8860] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 633.668212][ T8860] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 633.668326][ T8860] batadv_neigh_ifinfo_new+0x95/0x300
[ 633.668441][ T8860] batadv_iv_ogm_process_per_outif+0x1819/0x2790
[ 633.668574][ T8860] ? batadv_iv_ogm_process_per_outif+0x101a/0x2790
[ 633.668689][ T8860] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 633.668785][ T8860] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 633.668884][ T8860] ? batadv_iv_ogm_orig_get+0x31/0x5c0
[ 633.668965][ T8860] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 633.669085][ T8860] batadv_iv_ogm_receive+0xc13/0x1740
[ 633.669222][ T8860] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 633.669347][ T8860] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 633.669453][ T8860] ? rcu_is_watching+0x16/0xb0
[ 633.669526][ T8860] ? __alloc_skb+0x27a/0x7a0
[ 633.669587][ T8860] ? trace_kmem_cache_alloc+0x29/0xe0
[ 633.669687][ T8860] batadv_batman_skb_recv+0x4b6/0x870
[ 633.669763][ T8860] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 633.669845][ T8860] ? netif_receive_skb+0x102/0xbf0
[ 633.669930][ T8860] ? netif_receive_skb+0x102/0xbf0
[ 633.670018][ T8860] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 633.670084][ T8860] netif_receive_skb+0x4af/0xbf0
[ 633.670198][ T8860] ? __pfx_netif_receive_skb+0x10/0x10
[ 633.670405][ T8860] ? tun_rx_batched+0x185/0x790
[ 633.670513][ T8860] tun_rx_batched+0x1de/0x790
[ 633.670870][ T8860] ? __pfx_tun_rx_batched+0x10/0x10
[ 633.670945][ T8860] ? lock_acquire+0x115/0x350
[ 633.671025][ T8860] ? tun_get_user+0x23ba/0x44d0
[ 633.671067][ T8860] ? __local_bh_enable_ip+0xd6/0x140
[ 633.671092][ T8860] ? tun_get_user+0x27b0/0x44d0
[ 633.671114][ T8860] tun_get_user+0x2be0/0x44d0
[ 633.671159][ T8860] ? tun_get_user+0x27b0/0x44d0
[ 633.671183][ T8860] ? aa_file_perm+0x4ed/0x15f0
[ 633.671242][ T8860] ? __pfx_tun_get_user+0x10/0x10
[ 633.671315][ T8860] ? __lock_acquire+0x747/0x2de0
[ 633.671381][ T8860] ? kstrtoull+0x137/0x1d0
[ 633.671496][ T8860] ? ref_tracker_alloc+0x341/0x4b0
[ 633.671571][ T8860] ? lock_acquire+0x115/0x350
[ 633.671636][ T8860] ? __pfx_ref_tracker_alloc+0x10/0x10
[ 633.671713][ T8860] ? lock_acquire+0x115/0x350
[ 633.671776][ T8860] ? tun_get+0x1c/0x2f0
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
executing program
[ 633.671860][ T8860] ? tun_get+0x1c/0x2f0
[ 633.671916][ T8860] ? tun_get+0x1c/0x2f0
[ 633.671991][ T8860] tun_chr_write_iter+0x113/0x200
[ 633.672096][ T8860] vfs_write+0x612/0xba0
[ 633.672222][ T8860] ? __pfx_vfs_write+0x10/0x10
[ 633.672342][ T8860] ? do_sys_openat2+0x14e/0x200
[ 633.672474][ T8860] ksys_write+0x150/0x270
[ 633.672614][ T8860] ? __pfx_ksys_write+0x10/0x10
[ 633.672744][ T8860] __do_fast_syscall_32+0x27a/0x6a0
[ 633.672820][ T8860] ? do_fast_syscall_32+0x33/0x70
[ 633.672902][ T8860] ? irqentry_exit+0x10f/0x910
[ 633.672982][ T8860] ? trace_irq_disable+0x3b/0x140
** 6 printk messages dropped **
[ 633.673766][ T8860] RDX: 0000000000000026 RSI: 00000000f7e3c24d RDI: 0000000000000006
** 9 printk messages dropped **
[ 633.986440][ T8861] FAULT_INJECTION: forcing a failure.
[ 633.986440][ T8861] name failslab, interval 1, probability 0, space 0, times 0
[ 633.986502][ T8861] CPU: 0 UID: 0 PID: 8861 Comm: syz-executor195 Not tainted syzkaller #0 PREEMPT(full)
[ 633.986582][ T8861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 633.986616][ T8861] Call Trace:
[ 633.986646][ T8861]
[ 633.986675][ T8861] dump_stack_lvl+0xe8/0x150
[ 633.986773][ T8861] should_fail_ex+0x410/0x560
[ 633.986892][ T8861] should_failslab+0xa8/0x100
[ 633.986968][ T8861] __kmalloc_cache_noprof+0xa3/0x600
[ 633.987057][ T8861] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 633.987165][ T8861] ? batadv_neigh_ifinfo_new+0x95/0x300
[ 633.987273][ T8861] batadv_neigh_ifinfo_new+0x95/0x300
[ 633.987387][ T8861] batadv_iv_ogm_process_per_outif+0x52e/0x2790
[ 633.987532][ T8861] ? batadv_iv_ogm_process_per_outif+0x3d3/0x2790
[ 633.987630][ T8861] ? __pfx_batadv_iv_ogm_process_per_outif+0x10/0x10
[ 633.987738][ T8861] ? netdev_lower_get_next_private_rcu+0x9f/0x100
the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[ 633.987821][ T8861] batadv_iv_ogm_receive+0x11c7/0x1740
[ 633.987948][ T8861] ? batadv_iv_ogm_receive+0x4b1/0x1740
[ 633.988095][ T8861] ? __pfx_batadv_iv_ogm_receive+0x10/0x10
[ 633.988201][ T8861] ? rcu_is_watching+0x16/0xb0
[ 633.988275][ T8861] ? __alloc_skb+0x27a/0x7a0
[ 633.988330][ T8861] ? trace_kmem_cache_alloc+0x29/0xe0
[ 633.988451][ T8861] batadv_batman_skb_recv+0x4b6/0x870
executing program
[ 633.988541][ T8861] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 633.988618][ T8861] ? netif_receive_skb+0x102/0xbf0
[ 633.988701][ T8861] ? netif_receive_skb+0x102/0xbf0
[ 633.988785][ T8861] ? __pfx_batadv_batman_skb_recv+0x10/0x10
[ 633.988851][ T8861] netif_receive_skb+0x4af/0xbf0
[ 633.988958][ T8861] ? __pfx_netif_receive_skb+0x10/0x10
[ 633.989076][ T8861] ? tun_rx_batched+0x185/0x790
[ 633.989148][ T8861] tun_rx_batched+0x1de/0x790
[host] Command execution timed out after 2m30s