syzkaller login: [ 39.324621] ------------[ cut here ]------------ [ 39.325538] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.327516] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.328962] Modules linked in: [ 39.329581] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.331783] Tainted: [W]=WARN [ 39.332437] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.333918] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.334820] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 39.337987] RSP: 0018:ffff888015a2fbc0 EFLAGS: 00010286 [ 39.338959] RAX: 0000000000000000 RBX: ffffed1002b45f78 RCX: ffffffff813a4050 [ 39.340229] RDX: ffff888017309bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.341525] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b45f2f [ 39.342796] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.344066] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015a2fdf8 [ 39.345365] FS: 00007f82b6a31900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.346783] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.347837] CR2: 00007f82b6f23580 CR3: 000000001d1f9000 CR4: 0000000000350ef0 [ 39.349150] Call Trace: [ 39.349669] [ 39.350088] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.350998] ? __create_object+0x59/0x80 [ 39.351801] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.352809] __vmalloc_noprof+0x59/0x60 [ 39.353578] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.354472] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.355421] bpf_prog_alloc+0x39/0x200 [ 39.356131] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.357081] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.358001] do_seccomp+0x349/0x25e0 [ 39.358722] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.359637] ? __pfx_do_seccomp+0x10/0x10 [ 39.360442] ? find_held_lock+0x2b/0x80 [ 39.361190] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.362169] ? static_key_count+0x60/0x80 [ 39.362973] prctl_set_seccomp+0x4e/0x70 [ 39.363756] __do_sys_prctl+0xe6c/0x1d70 [ 39.364555] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.365439] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.366402] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.367362] ? irqentry_exit+0xf3/0x650 [ 39.368068] do_syscall_64+0xbf/0x430 [ 39.368808] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.369738] RIP: 0033:0x7f82b6f235cd [ 39.370438] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 39.373561] RSP: 002b:00007ffca5062730 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.374910] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f82b6f235cd [ 39.376183] RDX: 0000563209b96e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.377472] RBP: 00007ffca5062790 R08: 0000000000000000 R09: 00007ffca5061e30 [ 39.378742] R10: 0000000000000000 R11: 0000000000000246 R12: 000056323cda4b10 [ 39.380005] R13: 00007ffca5062bc0 R14: 000056323cda52b0 R15: 000056323cdb96f0 [ 39.381311] [ 39.381736] irq event stamp: 1765 [ 39.382241] hardirqs last enabled at (1773): [] __up_console_sem+0x78/0x80 [ 39.383528] hardirqs last disabled at (1790): [] __up_console_sem+0x5d/0x80 [ 39.384808] softirqs last enabled at (1782): [] handle_softirqs+0x50c/0x770 [ 39.386085] softirqs last disabled at (1777): [] __irq_exit_rcu+0xc4/0x100 [ 39.387333] ---[ end trace 0000000000000000 ]--- [ 42.327996] ------------[ cut here ]------------ [ 42.328925] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.330902] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.332367] Modules linked in: [ 42.332966] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.334940] Tainted: [W]=WARN [ 42.335650] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.337313] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.338417] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 42.342093] RSP: 0018:ffff88800f17fbc0 EFLAGS: 00010286 [ 42.343070] RAX: 0000000000000000 RBX: ffffed1001e2ff78 RCX: ffffffff813a4050 [ 42.344366] RDX: ffff8880159cb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.345917] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e2ff2f [ 42.347367] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.348706] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f17fdf8 [ 42.350202] FS: 00007fd8f9786900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.351795] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.353073] CR2: 00007fd8f9c78580 CR3: 000000000db94000 CR4: 0000000000350ef0 [ 42.354350] Call Trace: [ 42.354816] [ 42.355226] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.356115] ? __create_object+0x59/0x80 [ 42.356894] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.357888] __vmalloc_noprof+0x59/0x60 [ 42.358635] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.359497] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.360412] bpf_prog_alloc+0x39/0x200 [ 42.361122] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.362381] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.363247] do_seccomp+0x349/0x25e0 [ 42.363955] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.365013] ? __pfx_do_seccomp+0x10/0x10 [ 42.365668] ? find_held_lock+0x2b/0x80 [ 42.366115] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.366718] ? static_key_count+0x60/0x80 [ 42.367404] prctl_set_seccomp+0x4e/0x70 [ 42.367788] __do_sys_prctl+0xe6c/0x1d70 [ 42.368190] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.368595] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.369031] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.369481] ? irqentry_exit+0xf3/0x650 [ 42.369820] do_syscall_64+0xbf/0x430 [ 42.370148] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.370583] RIP: 0033:0x7fd8f9c785cd [ 42.370890] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 42.372369] RSP: 002b:00007ffdbcbf9240 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.373003] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd8f9c785cd [ 42.373602] RDX: 00005562126d7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.374185] RBP: 00007ffdbcbf92a0 R08: 0000000000000000 R09: 00007ffdbcbf8940 [ 42.374781] R10: 0000000000000000 R11: 0000000000000246 R12: 000055622eac8ad0 [ 42.375379] R13: 00007ffdbcbf96d0 R14: 000055622eac9bc0 R15: 000055622eada780 [ 42.375967] [ 42.376162] irq event stamp: 1727 [ 42.376467] hardirqs last enabled at (1737): [] __up_console_sem+0x78/0x80 [ 42.377158] hardirqs last disabled at (1744): [] __up_console_sem+0x5d/0x80 [ 42.377863] softirqs last enabled at (1450): [] handle_softirqs+0x50c/0x770 [ 42.378742] softirqs last disabled at (1443): [] __irq_exit_rcu+0xc4/0x100 [ 42.379437] ---[ end trace 0000000000000000 ]--- [ 42.902580] ------------[ cut here ]------------ [ 42.903418] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.905136] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 42.906570] Modules linked in: [ 42.907064] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.909071] Tainted: [W]=WARN [ 42.909580] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.910806] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.911560] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 42.914204] RSP: 0018:ffff88801746fbc0 EFLAGS: 00010286 [ 42.915011] RAX: 0000000000000000 RBX: ffffed1002e8df78 RCX: ffffffff813a4050 [ 42.916094] RDX: ffff8880163cd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.917167] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e8df2f [ 42.918233] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.919305] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801746fdf8 [ 42.920365] FS: 00007fbf4dcfd900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.921581] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.922461] CR2: 00007ffd068a1ef7 CR3: 000000000d1e9000 CR4: 0000000000350ef0 [ 42.923538] Call Trace: [ 42.923928] [ 42.924304] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.925032] ? __create_object+0x59/0x80 [ 42.925684] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.926493] __vmalloc_noprof+0x59/0x60 [ 42.927088] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.927813] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.928587] bpf_prog_alloc+0x39/0x200 [ 42.929169] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.929944] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.930698] do_seccomp+0x349/0x25e0 [ 42.931301] ? find_held_lock+0x2b/0x80 [ 42.931899] ? do_prlimit+0x310/0x610 [ 42.932519] ? __pfx_do_seccomp+0x10/0x10 [ 42.933150] ? do_raw_spin_unlock+0x53/0x220 [ 42.933840] ? _raw_spin_unlock+0x1e/0x40 [ 42.934502] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.935258] ? static_key_count+0x60/0x80 [ 42.935943] prctl_set_seccomp+0x4e/0x70 [ 42.936599] __do_sys_prctl+0xe6c/0x1d70 [ 42.937239] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.937969] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.938790] ? irqentry_exit+0xf3/0x650 [ 42.939441] do_syscall_64+0xbf/0x430 [ 42.940030] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.940847] RIP: 0033:0x7fbf4e1ef5cd [ 42.941442] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 42.944137] RSP: 002b:00007ffd0689f480 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.945312] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbf4e1ef5cd [ 42.946401] RDX: 0000560cacb6de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.947489] RBP: 00007ffd0689f4e0 R08: 0000000000000000 R09: 00007ffd0689eb80 [ 42.948574] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560ccb57cbf0 [ 42.949670] R13: 00007ffd0689f910 R14: 0000560ccb586380 R15: 0000560ccb591460 [ 42.950775] [ 42.951135] irq event stamp: 1907 [ 42.951686] hardirqs last enabled at (1917): [] __up_console_sem+0x78/0x80 [ 42.952985] hardirqs last disabled at (1926): [] __up_console_sem+0x5d/0x80 [ 42.954287] softirqs last enabled at (1462): [] handle_softirqs+0x50c/0x770 [ 42.955593] softirqs last disabled at (1457): [] __irq_exit_rcu+0xc4/0x100 [ 42.956896] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:10867' (ECDSA) to the list of known hosts. 2025/11/19 03:19:07 fuzzer started 2025/11/19 03:19:08 dialing manager at localhost:34383 2025/11/19 03:19:08 checking machine... 2025/11/19 03:19:08 checking revisions... [ 43.742224] kmemleak: Automatic memory scanning thread ended 2025/11/19 03:19:08 testing simple program... [ 43.817558] cgroup: Unknown subsys name 'net' [ 43.858836] cgroup: Unknown subsys name 'cpuset' [ 43.870551] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 52.259161] audit: type=1400 audit(1763522356.838:7): avc: denied { execmem } for pid=277 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program VM DIAGNOSIS: 03:19:07 Registers: info registers vcpu 0 RAX=0000000000044c2f RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffffffff0b80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe63be6ff8 CR3=000000000d7c1000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=7320ab103a26929c154f94932b5ff688 XMM02=2c67c8bc2e329bc30000000000306818 XMM03=fb795ef6d657705600000000003102b0 XMM04=6b2730e8cc2c12d800000000000ae988 XMM05=14648eaa1277bab10000000000320430 XMM06=817b8945e9d5037300000000003202b8 XMM07=e042d86d42eb936e0000000000310c98 XMM08=f7928d025c3bc83a0000000000306878 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=ffff888016301bc0 RCX=0000000000000002 RDX=0000000088596101 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff888016302618 RSP=ffff88806cf08888 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000002 RIP=ffffffff81526ff1 RFL=00000817 [-O--APC] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fd8f9786900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffdbcbf3000 CR3=0000000020521000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=563412feff00545000000000000080fe XMM01=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000