[ 53.246779][ T31] audit: type=1400 audit(53.180:68): avc: denied { read write } for pid=3001 comm="sftp-server" name="null" dev="devtmpfs" ino=4 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 53.248096][ T31] audit: type=1400 audit(53.180:69): avc: denied { open } for pid=3001 comm="sftp-server" path="/dev/null" dev="devtmpfs" ino=4 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 Warning: Permanently added '[localhost]:23743' (ED25519) to the list of known hosts. [ 100.830173][ T31] audit: type=1400 audit(100.760:70): avc: denied { execute } for pid=3010 comm="sh" name="syz-executor1037870101" dev="vda" ino=682 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1 [ 100.902661][ T31] audit: type=1400 audit(100.830:71): avc: denied { execute_no_trans } for pid=3010 comm="sh" path="/syz-executor1037870101" dev="vda" ino=682 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1 [ 101.411822][ T31] audit: type=1400 audit(101.340:72): avc: denied { execmem } for pid=3010 comm="syz-executor103" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 executing program [ 101.469455][ T3011] 8<--- cut here --- [ 101.470829][ T3011] Unable to handle kernel NULL pointer dereference at virtual address 00000008 when read [ 101.480925][ T3011] [00000008] *pgd=844c0003, *pmd=fe12e003 [ 101.483456][ T3011] Internal error: Oops: 205 [#1] PREEMPT SMP ARM [ 101.484046][ T3011] Modules linked in: [ 101.486979][ T3011] CPU: 0 PID: 3011 Comm: syz-executor103 Not tainted 6.10.0-syzkaller #0 [ 101.487608][ T3011] Hardware name: ARM-Versatile Express [ 101.488126][ T3011] PC is at path_from_stashed+0x1c/0x308 [ 101.489415][ T3011] LR is at open_namespace+0x44/0xbc [ 101.489700][ T3011] pc : [<8053af54>] lr : [<8054d6f8>] psr: 80000013 [ 101.490010][ T3011] sp : df959e80 ip : 84183000 fp : df959ec4 [ 101.490301][ T3011] r10: 84183000 r9 : 00000003 r8 : 843f3300 [ 101.490633][ T3011] r7 : 82caa250 r6 : 84183000 r5 : 00000000 r4 : 82625878 [ 101.490964][ T3011] r3 : df959ecc r2 : 00000008 r1 : 82c95800 r0 : 00000008 [ 101.491512][ T3011] Flags: Nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user [ 101.491931][ T3011] Control: 30c5387d Table: 843f1a00 DAC: fffffffd [ 101.492300][ T3011] Register r0 information: non-paged memory [ 101.493019][ T3011] Register r1 information: slab kmalloc-1k start 82c95800 pointer offset 0 size 1024 [ 101.494170][ T3011] Register r2 information: non-paged memory [ 101.494476][ T3011] Register r3 information: 2-page vmalloc region starting at 0xdf958000 allocated at kernel_clone+0xac/0x3e4 [ 101.495333][ T3011] Register r4 information: non-slab/vmalloc memory [ 101.496194][ T3011] Register r5 information: NULL pointer [ 101.496765][ T3011] Register r6 information: slab task_struct start 84183000 pointer offset 0 size 3072 [ 101.497239][ T3011] Register r7 information: slab mnt_cache start 82caa240 pointer offset 16 size 184 [ 101.497728][ T3011] Register r8 information: slab filp start 843f3300 pointer offset 0 size 160 [ 101.498242][ T3011] Register r9 information: non-paged memory [ 101.498522][ T3011] Register r10 information: slab task_struct start 84183000 pointer offset 0 size 3072 [ 101.499037][ T3011] Register r11 information: 2-page vmalloc region starting at 0xdf958000 allocated at kernel_clone+0xac/0x3e4 [ 101.499624][ T3011] Register r12 information: slab task_struct start 84183000 pointer offset 0 size 3072 [ 101.500215][ T3011] Process syz-executor103 (pid: 3011, stack limit = 0xdf958000) [ 101.500853][ T3011] Stack: (0xdf959e80 to 0xdf95a000) [ 101.501279][ T3011] 9e80: 841b2400 00000008 df959eb4 df959e98 806e6544 804065ac 00000009 82625878 [ 101.501675][ T3011] 9ea0: 00000000 84183000 841b2c80 843f3300 00000003 84183000 df959ef4 df959ec8 [ 101.502060][ T3011] 9ec0: 8054d6f8 8053af44 df959ef4 00000000 00000000 f9244696 82625878 82625878 [ 101.502439][ T3011] 9ee0: 841b2400 00000008 df959f14 df959ef8 8055271c 8054d6c0 0000ff07 00000000 [ 101.502816][ T3011] 9f00: 843f3300 00000000 df959fa4 df959f18 8051a7f0 805525a4 000001b2 8020029c [ 101.503197][ T3011] 9f20: 84183000 000001b2 df959fac df959f38 8020ba70 8042c724 83f01500 df959f80 [ 101.503568][ T3011] 9f40: 00000000 843f3300 00000003 82cb0800 df959f7c df959f60 805283b8 8027aebc [ 101.503966][ T3011] 9f60: 83f01500 00000003 83f01500 00000003 df959fa4 f9244696 8026b8b0 00000000 [ 101.504342][ T3011] 9f80: 00000000 0008e058 00000036 8020029c 84183000 00000036 00000000 df959fa8 [ 101.504737][ T3011] 9fa0: 80200060 8051a6c8 00000000 00000000 00000003 0000ff07 00000000 00000000 [ 101.505105][ T3011] 9fc0: 00000000 00000000 0008e058 00000036 7ee54e0c 00000000 00000001 00000000 [ 101.505462][ T3011] 9fe0: 7ee54c70 7ee54c60 0001064c 0002e7a0 00000010 00000003 00000000 00000000 [ 101.505918][ T3011] Call trace: [ 101.506370][ T3011] [<8053af38>] (path_from_stashed) from [<8054d6f8>] (open_namespace+0x44/0xbc) [ 101.507352][ T3011] r10:84183000 r9:00000003 r8:843f3300 r7:841b2c80 r6:84183000 r5:00000000 [ 101.507797][ T3011] r4:82625878 [ 101.508063][ T3011] [<8054d6b4>] (open_namespace) from [<8055271c>] (pidfd_ioctl+0x184/0x4c4) [ 101.508559][ T3011] r6:00000008 r5:841b2400 r4:82625878 [ 101.508814][ T3011] [<80552598>] (pidfd_ioctl) from [<8051a7f0>] (sys_ioctl+0x134/0xda4) [ 101.509237][ T3011] r7:00000000 r6:843f3300 r5:00000000 r4:0000ff07 [ 101.509534][ T3011] [<8051a6bc>] (sys_ioctl) from [<80200060>] (ret_fast_syscall+0x0/0x1c) [ 101.509960][ T3011] Exception stack(0xdf959fa8 to 0xdf959ff0) [ 101.510246][ T3011] 9fa0: 00000000 00000000 00000003 0000ff07 00000000 00000000 [ 101.510778][ T3011] 9fc0: 00000000 00000000 0008e058 00000036 7ee54e0c 00000000 00000001 00000000 [ 101.511144][ T3011] 9fe0: 7ee54c70 7ee54c60 0001064c 0002e7a0 [ 101.511441][ T3011] r10:00000036 r9:84183000 r8:8020029c r7:00000036 r6:0008e058 r5:00000000 [ 101.511856][ T3011] r4:00000000 [ 101.512391][ T3011] Code: e24dd01c e1a07001 e5911004 ee1dcf70 (e5905000) [ 101.536452][ T3011] ---[ end trace 0000000000000000 ]--- [ 101.537235][ T3011] Kernel panic - not syncing: Fatal exception [ 101.539317][ T3011] Rebooting in 86400 seconds.. VM DIAGNOSIS: 21:44:47 Registers: info registers vcpu 0 CPU#0 R00=83f88440 R01=00000034 R02=eafb1000 R03=eafb1018 R04=8286429f R05=83f88440 R06=809b3ca0 R07=828642df R08=82864298 R09=00000048 R10=60000093 R11=df959b5c R12=00000002 R13=df959b50 R14=82753548 R15=809b3cb0 PSR=80000093 N--- A S svc32 s00=00000000 s01=00000000 d00=0000000000000000 s02=00000000 s03=00000000 d01=0000000000000000 s04=00000000 s05=00000000 d02=0000000000000000 s06=00000000 s07=00000000 d03=0000000000000000 s08=00000000 s09=00000000 d04=0000000000000000 s10=00000000 s11=00000000 d05=0000000000000000 s12=00000000 s13=00000000 d06=0000000000000000 s14=00000000 s15=00000000 d07=0000000000000000 s16=00000000 s17=00000000 d08=0000000000000000 s18=00000000 s19=00000000 d09=0000000000000000 s20=00000000 s21=00000000 d10=0000000000000000 s22=00000000 s23=00000000 d11=0000000000000000 s24=00000000 s25=00000000 d12=0000000000000000 s26=00000000 s27=00000000 d13=0000000000000000 s28=00000000 s29=00000000 d14=0000000000000000 s30=00000000 s31=00000000 d15=0000000000000000 s32=00000000 s33=00000000 d16=0000000000000000 s34=00000000 s35=00000000 d17=0000000000000000 s36=00000000 s37=00000000 d18=0000000000000000 s38=00000000 s39=00000000 d19=0000000000000000 s40=00000000 s41=00000000 d20=0000000000000000 s42=00000000 s43=00000000 d21=0000000000000000 s44=00000000 s45=00000000 d22=0000000000000000 s46=00000000 s47=00000000 d23=0000000000000000 s48=00000000 s49=00000000 d24=0000000000000000 s50=00000000 s51=00000000 d25=0000000000000000 s52=00000000 s53=00000000 d26=0000000000000000 s54=00000000 s55=00000000 d27=0000000000000000 s56=00000000 s57=00000000 d28=0000000000000000 s58=00000000 s59=00000000 d29=0000000000000000 s60=00000000 s61=00000000 d30=0000000000000000 s62=00000000 s63=00000000 d31=0000000000000000 FPSCR: 00000000 info registers vcpu 1 CPU#1 R00=00000001 R01=81fe5eac R02=00056ca9 R03=80219aa0 R04=82e36c00 R05=8260c5d0 R06=00000001 R07=8260c5fc R08=00000001 R09=00000000 R10=00000000 R11=df869f64 R12=df869f68 R13=df869f58 R14=8020898c R15=80219aa8 PSR=60000093 -ZC- A S svc32 s00=00000000 s01=00000000 d00=0000000000000000 s02=00000000 s03=00000000 d01=0000000000000000 s04=00000000 s05=00000000 d02=0000000000000000 s06=00000000 s07=00000000 d03=0000000000000000 s08=00000000 s09=00000000 d04=0000000000000000 s10=00000000 s11=00000000 d05=0000000000000000 s12=00000000 s13=00000000 d06=0000000000000000 s14=00000000 s15=00000000 d07=0000000000000000 s16=00000000 s17=00000000 d08=0000000000000000 s18=00000000 s19=00000000 d09=0000000000000000 s20=00000000 s21=00000000 d10=0000000000000000 s22=00000000 s23=00000000 d11=0000000000000000 s24=00000000 s25=00000000 d12=0000000000000000 s26=00000000 s27=00000000 d13=0000000000000000 s28=00000000 s29=00000000 d14=0000000000000000 s30=00000000 s31=00000000 d15=0000000000000000 s32=00000000 s33=00000000 d16=0000000000000000 s34=00000000 s35=00000000 d17=0000000000000000 s36=00000000 s37=00000000 d18=0000000000000000 s38=00000000 s39=00000000 d19=0000000000000000 s40=00000000 s41=00000000 d20=0000000000000000 s42=00000000 s43=00000000 d21=0000000000000000 s44=00000000 s45=00000000 d22=0000000000000000 s46=00000000 s47=00000000 d23=0000000000000000 s48=00000000 s49=00000000 d24=0000000000000000 s50=00000000 s51=00000000 d25=0000000000000000 s52=00000000 s53=00000000 d26=0000000000000000 s54=00000000 s55=00000000 d27=0000000000000000 s56=00000000 s57=00000000 d28=0000000000000000 s58=00000000 s59=00000000 d29=0000000000000000 s60=00000000 s61=00000000 d30=0000000000000000 s62=00000000 s63=00000000 d31=0000000000000000 FPSCR: 00000000