syzkaller login: [ 36.340399][ T29] kauditd_printk_skb: 6 callbacks suppressed [ 36.340480][ T29] audit: type=1400 audit(36.280:68): avc: denied { read write } for pid=2976 comm="sftp-server" name="null" dev="devtmpfs" ino=5 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 36.341905][ T29] audit: type=1400 audit(36.280:69): avc: denied { open } for pid=2976 comm="sftp-server" path="/dev/null" dev="devtmpfs" ino=5 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 Warning: Permanently added '[localhost]:32089' (ED25519) to the list of known hosts. [ 87.241322][ T29] audit: type=1400 audit(87.170:70): avc: denied { execute } for pid=2987 comm="sh" name="syz-executor2204998130" dev="vda" ino=682 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1 [ 87.287858][ T29] audit: type=1400 audit(87.200:71): avc: denied { execute_no_trans } for pid=2987 comm="sh" path="/syz-executor2204998130" dev="vda" ino=682 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1 [ 88.120031][ T29] audit: type=1400 audit(88.050:72): avc: denied { execmem } for pid=2987 comm="syz-executor220" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 88.256138][ T29] audit: type=1400 audit(88.190:73): avc: denied { ioctl } for pid=2988 comm="syz-executor220" path="/dev/uinput" dev="devtmpfs" ino=712 ioctlcmd=0x5504 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 executing program [ 88.270730][ T2988] ------------[ cut here ]------------ [ 88.271297][ T2988] WARNING: CPU: 1 PID: 2988 at mm/page_alloc.c:4543 __alloc_pages+0x1048/0x115c [ 88.272803][ T2988] Modules linked in: [ 88.273509][ T2988] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 88.275150][ T2988] CPU: 1 PID: 2988 Comm: syz-executor220 Not tainted 6.7.0-syzkaller #0 [ 88.277401][ T2988] Hardware name: ARM-Versatile Express [ 88.277893][ T2988] Backtrace: [ 88.278321][ T2988] [<818484a4>] (dump_backtrace) from [<818485a0>] (show_stack+0x18/0x1c) [ 88.278993][ T2988] r7:00000000 r6:82622d84 r5:60000093 r4:81fc5400 [ 88.279315][ T2988] [<81848588>] (show_stack) from [<81865b78>] (dump_stack_lvl+0x48/0x54) [ 88.280067][ T2988] [<81865b30>] (dump_stack_lvl) from [<81865b9c>] (dump_stack+0x18/0x1c) [ 88.280530][ T2988] r5:00000000 r4:82857d14 [ 88.280804][ T2988] [<81865b84>] (dump_stack) from [<81849048>] (panic+0x120/0x378) [ 88.281110][ T2988] [<81848f28>] (panic) from [<80243754>] (print_tainted+0x0/0xa0) [ 88.281371][ T2988] r3:8260c484 r2:00000001 r1:81fade54 r0:81fb5ab0 [ 88.281603][ T2988] r7:80498b80 [ 88.281824][ T2988] [<802436e0>] (check_panic_on_warn) from [<80243948>] (__warn+0x7c/0x180) [ 88.282236][ T2988] [<802438cc>] (__warn) from [<80243bc4>] (warn_slowpath_fmt+0x178/0x1f4) [ 88.282578][ T2988] r8:00000009 r7:81fde2e8 r6:df97dc1c r5:83628c00 r4:00000000 [ 88.282843][ T2988] [<80243a50>] (warn_slowpath_fmt) from [<80498b80>] (__alloc_pages+0x1048/0x115c) [ 88.283567][ T2988] r10:00000014 r9:83abb204 r8:00000000 r7:83628c00 r6:00000dc0 r5:00000000 [ 88.283833][ T2988] r4:00000014 [ 88.283995][ T2988] [<80497b38>] (__alloc_pages) from [<8049d694>] (__kmalloc_large_node+0x50/0xac) [ 88.284364][ T2988] r10:80f21464 r9:83abb204 r8:00000000 r7:83628c00 r6:00000dc0 r5:00000000 [ 88.284629][ T2988] r4:00000014 [ 88.284848][ T2988] [<8049d644>] (__kmalloc_large_node) from [<804a46c8>] (__kmalloc+0x364/0x484) [ 88.285210][ T2988] r7:83628c00 r6:00000dc0 r5:80000058 r4:02000001 [ 88.285532][ T2988] [<804a4364>] (__kmalloc) from [<80f21464>] (input_mt_init_slots+0x60/0x1f0) [ 88.285815][ T2988] r10:83628c00 r9:83abb204 r8:00000000 r7:00000000 r6:845a5400 r5:00000000 [ 88.286185][ T2988] r4:02000001 [ 88.286364][ T2988] [<80f21404>] (input_mt_init_slots) from [<80f506d4>] (uinput_ioctl_handler+0x8e4/0xb4c) [ 88.286776][ T2988] r8:00000000 r7:00000000 r6:83abb200 r5:00000000 r4:845a5400 [ 88.287141][ T2988] [<80f4fdf0>] (uinput_ioctl_handler) from [<80f50950>] (uinput_ioctl+0x14/0x18) [ 88.287447][ T2988] r9:00000003 r8:8460b6c0 r7:00000000 r6:8460b6c0 r5:00000000 r4:00005501 [ 88.287688][ T2988] [<80f5093c>] (uinput_ioctl) from [<804ff658>] (sys_ioctl+0x118/0xb58) [ 88.287978][ T2988] [<804ff540>] (sys_ioctl) from [<80200060>] (ret_fast_syscall+0x0/0x1c) [ 88.291480][ T2988] Exception stack(0xdf97dfa8 to 0xdf97dff0) [ 88.291915][ T2988] dfa0: ffffffff 00000000 00000003 00005501 00000000 00000000 [ 88.292165][ T2988] dfc0: ffffffff 00000000 0008e050 00000036 000f4240 00000000 00000001 00003a97 [ 88.292377][ T2988] dfe0: 7e8d0c70 7e8d0c60 000106b4 0002e810 [ 88.292702][ T2988] r10:00000036 r9:83628c00 r8:80200288 r7:00000036 r6:0008e050 r5:00000000 [ 88.293227][ T2988] r4:ffffffff [ 88.294148][ C0] CPU0: stopping [ 88.294283][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.7.0-syzkaller #0 [ 88.294326][ C0] Hardware name: ARM-Versatile Express [ 88.294343][ C0] Backtrace: [ 88.294386][ C0] [<818484a4>] (dump_backtrace) from [<818485a0>] (show_stack+0x18/0x1c) [ 88.294505][ C0] r7:00000014 r6:81b1035c r5:600001d3 r4:81fc5400 [ 88.294520][ C0] [<81848588>] (show_stack) from [<81865b78>] (dump_stack_lvl+0x48/0x54) [ 88.294568][ C0] [<81865b30>] (dump_stack_lvl) from [<81865b9c>] (dump_stack+0x18/0x1c) [ 88.294613][ C0] r5:00000000 r4:00000004 [ 88.294622][ C0] [<81865b84>] (dump_stack) from [<8020faf8>] (do_handle_IPI+0x2ac/0x2d8) [ 88.294670][ C0] [<8020f84c>] (do_handle_IPI) from [<8020fb44>] (ipi_handler+0x20/0x28) [ 88.294727][ C0] r9:8261adc0 r8:82601e50 r7:00000014 r6:81b1035c r5:82c0cc80 r4:82c98d00 [ 88.294740][ C0] [<8020fb24>] (ipi_handler) from [<802c4d2c>] (handle_percpu_devid_irq+0x9c/0x2cc) [ 88.294788][ C0] [<802c4c90>] (handle_percpu_devid_irq) from [<802be4b8>] (generic_handle_domain_irq+0x30/0x40) [ 88.294853][ C0] r10:00000000 r9:8261adc0 r8:00000000 r7:df80a00c r6:824b1bc0 r5:df80a000 [ 88.294869][ C0] r4:8260cd20 r3:00010001 [ 88.294879][ C0] [<802be488>] (generic_handle_domain_irq) from [<802011c4>] (gic_handle_irq+0x68/0x7c) [ 88.294921][ C0] [<8020115c>] (gic_handle_irq) from [<8186643c>] (generic_handle_arch_irq+0x60/0x80) [ 88.294972][ C0] r7:82601ed8 r6:821479b0 r5:8218352c r4:824b3224 [ 88.294982][ C0] [<818663dc>] (generic_handle_arch_irq) from [<80200b74>] (__irq_svc+0x74/0xac) [ 88.295020][ C0] Exception stack(0x82601ed8 to 0x82601f20) [ 88.295047][ C0] 1ec0: 00000000 81fc5400 [ 88.295072][ C0] 1ee0: 0001a0f4 00000001 8261adc0 8260c494 00000000 8260c4b8 00000000 00000000 [ 88.295098][ C0] 1f00: 00000000 82601f44 82601f18 82601f28 81867094 81867b9c 20000013 ffffffff [ 88.295129][ C0] r9:8261adc0 r8:00000000 r7:82601f0c r6:ffffffff r5:20000013 r4:81867b9c [ 88.295153][ C0] [<81867b50>] (default_idle_call) from [<802982b4>] (do_idle+0x268/0x2d0) [ 88.295211][ C0] r7:8260c4b8 r6:8261adc0 r5:8260c494 r4:00000000 [ 88.295221][ C0] [<8029804c>] (do_idle) from [<80298650>] (cpu_startup_entry+0x30/0x34) [ 88.295281][ C0] r10:82857000 r9:8261a8b0 r8:820d9000 r7:00000000 r6:8260c440 r5:82625e58 [ 88.295296][ C0] r4:000000e9 [ 88.295307][ C0] [<80298620>] (cpu_startup_entry) from [<81867ea4>] (rest_init+0xdc/0xe0) [ 88.295359][ C0] [<81867dc8>] (rest_init) from [<82400bc4>] (arch_post_acpi_subsys_init+0x0/0x20) [ 88.295426][ C0] [<82400bb4>] (arch_call_rest_init) from [<8240129c>] (start_kernel+0x688/0x6ac) [ 88.295473][ C0] [<82400c14>] (start_kernel) from [<00000000>] (0x0) [ 88.305495][ T2988] Rebooting in 86400 seconds.. VM DIAGNOSIS: 11:11:09 Registers: info registers vcpu 0 CPU#0 R00=827ac480 R01=821479b0 R02=8a525f00 R03=818678ec R04=8289b380 R05=00003868 R06=00003868 R07=8a525f00 R08=7d357000 R09=00000014 R10=00000014 R11=df801e6c R12=df801e70 R13=df801e60 R14=8116db54 R15=818678fc PSR=60000193 -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=004e27e9 s17=00000000 d08=00000000004e27e9 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=ff7aa05e s33=9749e5cc d16=9749e5ccff7aa05e s34=703c4546 s35=a7078119 d17=a7078119703c4546 s36=ceb0dd9f s37=a5da2ed4 d18=a5da2ed4ceb0dd9f s38=0526a28a s39=e64dd0ed d19=e64dd0ed0526a28a s40=827bc3f4 s41=c51de865 d20=c51de865827bc3f4 s42=00c81369 s43=cd25b078 d21=cd25b07800c81369 s44=9b14bce4 s45=fad3904b d22=fad3904b9b14bce4 s46=812be25a s47=054f1b08 d23=054f1b08812be25a s48=00000001 s49=00000000 d24=0000000000000001 s50=00000000 s51=00000000 d25=0000000000000000 s52=5e43d1bb s53=b716fd61 d26=b716fd615e43d1bb s54=0b9270b8 s55=99f61d1f d27=99f61d1f0b9270b8 s56=0a0d51e3 s57=c8e64fe2 d28=c8e64fe20a0d51e3 s58=0ef66732 s59=0c98f770 d29=0c98f7700ef66732 s60=ac7d73fe s61=479d34fd d30=479d34fdac7d73fe s62=00000069 s63=00000068 d31=0000006800000069 FPSCR: 00000000 info registers vcpu 1 CPU#1 R00=00000001 R01=81fc5400 R02=00000000 R03=818678ec R04=826f5b08 R05=826f5b00 R06=00000028 R07=00000006 R08=826f5b08 R09=00000000 R10=8285814c R11=df97d98c R12=df97d990 R13=df97d980 R14=81866580 R15=818678fc 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