syzkaller login: [ 39.015102] ------------[ cut here ]------------ [ 39.016026] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.018061] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 39.019548] Modules linked in: [ 39.020142] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.022161] Tainted: [W]=WARN [ 39.022759] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.024240] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.025163] 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 [ 39.028902] RSP: 0018:ffff888017bffbc0 EFLAGS: 00010286 [ 39.029882] RAX: 0000000000000000 RBX: ffffed1002f7ff78 RCX: ffffffff813a4050 [ 39.031157] RDX: ffff888016173780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.032456] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f7ff2f [ 39.033735] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.035012] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017bffdf8 [ 39.036309] FS: 00007fa20871e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.037919] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.039230] CR2: 00007ffea6cdaef7 CR3: 000000000ea8b000 CR4: 0000000000350ef0 [ 39.040698] Call Trace: [ 39.041169] [ 39.041623] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.042487] ? __create_object+0x59/0x80 [ 39.043276] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.044254] __vmalloc_noprof+0x59/0x60 [ 39.045038] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.045898] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.046825] bpf_prog_alloc+0x39/0x200 [ 39.047516] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.048452] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.049346] do_seccomp+0x349/0x25e0 [ 39.050050] ? find_held_lock+0x2b/0x80 [ 39.050810] ? do_prlimit+0x310/0x610 [ 39.051500] ? __pfx_do_seccomp+0x10/0x10 [ 39.052276] ? do_raw_spin_unlock+0x53/0x220 [ 39.053118] ? _raw_spin_unlock+0x1e/0x40 [ 39.053905] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.054858] ? static_key_count+0x60/0x80 [ 39.055653] prctl_set_seccomp+0x4e/0x70 [ 39.056410] __do_sys_prctl+0xe6c/0x1d70 [ 39.057206] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.058074] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.059058] ? irqentry_exit+0xf3/0x650 [ 39.059834] do_syscall_64+0xbf/0x430 [ 39.060581] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.061505] RIP: 0033:0x7fa208c105cd [ 39.062212] 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 [ 39.065444] RSP: 002b:00007ffea6cd93f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.066820] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa208c105cd [ 39.068128] RDX: 000055773e4e9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.069432] RBP: 00007ffea6cd9450 R08: 0000000000000000 R09: 00007ffea6cd8af0 [ 39.070759] R10: 0000000000000000 R11: 0000000000000246 R12: 000055776c56fad0 [ 39.072060] R13: 00007ffea6cd9880 R14: 000055776c570bc0 R15: 000055776c581780 [ 39.073385] [ 39.073864] irq event stamp: 1739 [ 39.074480] hardirqs last enabled at (1747): [] __up_console_sem+0x78/0x80 [ 39.076016] hardirqs last disabled at (1756): [] __up_console_sem+0x5d/0x80 [ 39.077565] softirqs last enabled at (1706): [] handle_softirqs+0x50c/0x770 [ 39.079128] softirqs last disabled at (1699): [] __irq_exit_rcu+0xc4/0x100 [ 39.080667] ---[ end trace 0000000000000000 ]--- [ 42.449173] ------------[ cut here ]------------ [ 42.450118] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.452253] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.453758] Modules linked in: [ 42.454343] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.456379] Tainted: [W]=WARN [ 42.457007] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.458485] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.459402] 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 [ 42.462597] RSP: 0018:ffff88801af5fbc0 EFLAGS: 00010286 [ 42.463587] RAX: 0000000000000000 RBX: ffffed10035ebf78 RCX: ffffffff813a4050 [ 42.464903] RDX: ffff888017540000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.466207] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10035ebf2f [ 42.467500] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.468824] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801af5fdf8 [ 42.470117] FS: 00007fe276100900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.471578] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.472669] CR2: 00007fff90570ef7 CR3: 000000001ffc4000 CR4: 0000000000350ef0 [ 42.473986] Call Trace: [ 42.474444] [ 42.474913] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.475834] ? __create_object+0x59/0x80 [ 42.476619] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.477588] __vmalloc_noprof+0x59/0x60 [ 42.478307] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.479228] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.480168] bpf_prog_alloc+0x39/0x200 [ 42.480933] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.481877] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.482815] do_seccomp+0x349/0x25e0 [ 42.483486] ? find_held_lock+0x2b/0x80 [ 42.484251] ? do_prlimit+0x310/0x610 [ 42.485021] ? __pfx_do_seccomp+0x10/0x10 [ 42.485828] ? do_raw_spin_unlock+0x53/0x220 [ 42.486654] ? _raw_spin_unlock+0x1e/0x40 [ 42.487408] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.488389] ? static_key_count+0x60/0x80 [ 42.489200] prctl_set_seccomp+0x4e/0x70 [ 42.490015] __do_sys_prctl+0xe6c/0x1d70 [ 42.490838] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.491877] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.492885] ? irqentry_exit+0xf3/0x650 [ 42.493644] do_syscall_64+0xbf/0x430 [ 42.494334] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.495296] RIP: 0033:0x7fe2765f25cd [ 42.496015] 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 [ 42.499185] RSP: 002b:00007fff9056fc20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.500571] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe2765f25cd [ 42.501888] RDX: 000055c6c3201e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.503172] RBP: 00007fff9056fc80 R08: 0000000000000000 R09: 00007fff9056f320 [ 42.504464] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c6f1600ad0 [ 42.505802] R13: 00007fff905700b0 R14: 000055c6f1601bc0 R15: 000055c6f1612780 [ 42.507147] [ 42.507621] irq event stamp: 1735 [ 42.508252] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 42.509873] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 42.511437] softirqs last enabled at (1578): [] handle_softirqs+0x50c/0x770 [ 42.513006] softirqs last disabled at (1573): [] __irq_exit_rcu+0xc4/0x100 [ 42.514289] ---[ end trace 0000000000000000 ]--- [ 43.310700] ------------[ cut here ]------------ [ 43.311643] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.313708] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.315201] Modules linked in: [ 43.315855] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.318126] Tainted: [W]=WARN [ 43.318798] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.320304] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.321250] 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 [ 43.324511] RSP: 0018:ffff8880169efbc0 EFLAGS: 00010286 [ 43.325501] RAX: 0000000000000000 RBX: ffffed1002d3df78 RCX: ffffffff813a4050 [ 43.326841] RDX: ffff888013e7b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.328146] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d3df2f [ 43.329444] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.330741] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880169efdf8 [ 43.332041] FS: 00007f4a7621e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.333476] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.334531] CR2: 00007ffd7c0fbef7 CR3: 000000000e727000 CR4: 0000000000350ef0 [ 43.335798] Call Trace: [ 43.336251] [ 43.336712] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.337582] ? __create_object+0x59/0x80 [ 43.338307] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.339258] __vmalloc_noprof+0x59/0x60 [ 43.339999] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.340869] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.341806] bpf_prog_alloc+0x39/0x200 [ 43.342492] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.343415] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.344317] do_seccomp+0x349/0x25e0 [ 43.345035] ? find_held_lock+0x2b/0x80 [ 43.345780] ? do_prlimit+0x310/0x610 [ 43.346466] ? __pfx_do_seccomp+0x10/0x10 [ 43.347243] ? do_raw_spin_unlock+0x53/0x220 [ 43.348059] ? _raw_spin_unlock+0x1e/0x40 [ 43.348847] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.349807] ? static_key_count+0x60/0x80 [ 43.350594] prctl_set_seccomp+0x4e/0x70 [ 43.351308] __do_sys_prctl+0xe6c/0x1d70 [ 43.352080] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.352940] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.353894] ? irqentry_exit+0xf3/0x650 [ 43.354658] do_syscall_64+0xbf/0x430 [ 43.355355] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.356296] RIP: 0033:0x7f4a767105cd [ 43.356999] 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 [ 43.360169] RSP: 002b:00007ffd7c0f9df0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.361554] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4a767105cd [ 43.362851] RDX: 000055db49b56e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.364131] RBP: 00007ffd7c0f9e50 R08: 0000000000000000 R09: 00007ffd7c0f94f0 [ 43.365417] R10: 0000000000000000 R11: 0000000000000246 R12: 000055db7397bad0 [ 43.366693] R13: 00007ffd7c0fa280 R14: 000055db7397cbc0 R15: 000055db7398d780 [ 43.368000] [ 43.368453] irq event stamp: 1819 [ 43.369103] hardirqs last enabled at (1829): [] __up_console_sem+0x78/0x80 [ 43.370622] hardirqs last disabled at (1838): [] __up_console_sem+0x5d/0x80 [ 43.372116] softirqs last enabled at (1372): [] handle_softirqs+0x50c/0x770 [ 43.373657] softirqs last disabled at (1367): [] __irq_exit_rcu+0xc4/0x100 [ 43.375136] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:45730' (ECDSA) to the list of known hosts. 2025/11/18 18:18:21 fuzzer started 2025/11/18 18:18:21 dialing manager at localhost:34383 2025/11/18 18:18:21 checking machine... 2025/11/18 18:18:21 checking revisions... [ 44.341941] kmemleak: Automatic memory scanning thread ended 2025/11/18 18:18:21 testing simple program... [ 44.441657] cgroup: Unknown subsys name 'net' [ 44.511677] cgroup: Unknown subsys name 'cpuset' [ 44.524763] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 18:18:20 Registers: info registers vcpu 0 RAX=00000000475e76a4 RBX=ffff88801ae6d340 RCX=00000000dfb8078e RDX=0000000085cb9a3e RSI=000000008301a466 RDI=0000000081125d94 RBP=ffff88801ae6dd98 RSP=ffff88806ce088c8 R8 =0000000000000005 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff88801ae6de60 R13=0000000008cd3ea4 R14=0000000000000000 R15=0000000000000005 RIP=ffffffff815275e3 RFL=00000086 [--S--P-] 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 00007f561be05700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe2766b7618 CR3=000000000f0a6000 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=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3134325b646873732030323a3831 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363632 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000001f205 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5e00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f9e388f44c8 CR3=000000000f0a6000 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=2030323a38313a383120383120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732030323a38313a3831203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000