Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.905686] ------------[ cut here ]------------ [ 38.906563] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.908684] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/235 [ 38.910137] Modules linked in: [ 38.910772] CPU: 1 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.912779] Tainted: [W]=WARN [ 38.913324] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.914792] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.915720] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 38.918888] RSP: 0018:ffff888016d87bc0 EFLAGS: 00010286 [ 38.919861] RAX: 0000000000000000 RBX: ffffed1002db0f78 RCX: ffffffff813a4050 [ 38.921166] RDX: ffff88800a6a5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.922454] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002db0f2f [ 38.923744] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.925042] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016d87df8 [ 38.926316] FS: 00007f076eff3900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.927750] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.928826] CR2: 00007f076f4e5580 CR3: 000000001d1b6000 CR4: 0000000000350ef0 [ 38.930115] Call Trace: [ 38.930576] [ 38.931035] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.931931] ? __create_object+0x59/0x80 [ 38.932741] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.933714] __vmalloc_noprof+0x59/0x60 [ 38.934426] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.935299] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.936225] bpf_prog_alloc+0x39/0x200 [ 38.936982] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.937929] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.938826] do_seccomp+0x349/0x25e0 [ 38.939495] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.940403] ? __pfx_do_seccomp+0x10/0x10 [ 38.941193] ? find_held_lock+0x2b/0x80 [ 38.941952] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.942918] ? static_key_count+0x60/0x80 [ 38.943743] prctl_set_seccomp+0x4e/0x70 [ 38.944484] __do_sys_prctl+0xe6c/0x1d70 [ 38.945283] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.946141] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.947102] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.948075] ? irqentry_exit+0xf3/0x650 [ 38.948864] do_syscall_64+0xbf/0x430 [ 38.949560] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.950511] RIP: 0033:0x7f076f4e55cd [ 38.951210] 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 [ 38.954370] RSP: 002b:00007fff3d9bdf80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.955743] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f076f4e55cd [ 38.957035] RDX: 000055baf6951e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.958313] RBP: 00007fff3d9bdfe0 R08: 0000000000000000 R09: 00007fff3d9bd680 [ 38.959603] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bb21e2db10 [ 38.960879] R13: 00007fff3d9be410 R14: 000055bb21e2e2b0 R15: 000055bb21e426f0 [ 38.961977] [ 38.962330] irq event stamp: 1777 [ 38.962877] hardirqs last enabled at (1787): [] __up_console_sem+0x78/0x80 [ 38.964162] hardirqs last disabled at (1796): [] __up_console_sem+0x5d/0x80 [ 38.965443] softirqs last enabled at (1746): [] handle_softirqs+0x50c/0x770 [ 38.966739] softirqs last disabled at (1741): [] __irq_exit_rcu+0xc4/0x100 [ 38.968002] ---[ end trace 0000000000000000 ]--- [ 41.983887] ------------[ cut here ]------------ [ 41.984850] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.986881] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/245 [ 41.988512] Modules linked in: [ 41.989218] CPU: 0 UID: 104 PID: 245 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.991490] Tainted: [W]=WARN [ 41.992093] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.993569] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.994456] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 41.997589] RSP: 0018:ffff88801b3f7bc0 EFLAGS: 00010286 [ 41.998545] RAX: 0000000000000000 RBX: ffffed100367ef78 RCX: ffffffff813a4050 [ 41.999799] RDX: ffff8880165d8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.001069] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100367ef2f [ 42.002026] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.002831] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b3f7df8 [ 42.003600] FS: 00007f56bd24c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.004510] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.005169] CR2: 00007ffd89c4def8 CR3: 000000000bce5000 CR4: 0000000000350ef0 [ 42.005848] Call Trace: [ 42.006071] [ 42.006266] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.006705] ? __create_object+0x59/0x80 [ 42.007056] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.007492] __vmalloc_noprof+0x59/0x60 [ 42.007841] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.008218] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.008624] bpf_prog_alloc+0x39/0x200 [ 42.008972] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.009395] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.009820] do_seccomp+0x349/0x25e0 [ 42.010136] ? find_held_lock+0x2b/0x80 [ 42.010482] ? do_prlimit+0x310/0x610 [ 42.010818] ? __pfx_do_seccomp+0x10/0x10 [ 42.011165] ? do_raw_spin_unlock+0x53/0x220 [ 42.011535] ? _raw_spin_unlock+0x1e/0x40 [ 42.011904] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.012324] ? static_key_count+0x60/0x80 [ 42.012703] prctl_set_seccomp+0x4e/0x70 [ 42.013039] __do_sys_prctl+0xe6c/0x1d70 [ 42.013374] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.013777] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.014200] ? irqentry_exit+0xf3/0x650 [ 42.014532] do_syscall_64+0xbf/0x430 [ 42.014877] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.015294] RIP: 0033:0x7f56bd73e5cd [ 42.015594] 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 [ 42.017036] RSP: 002b:00007ffd89c4c630 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.017635] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f56bd73e5cd [ 42.018217] RDX: 000055ef3a9a1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.018794] RBP: 00007ffd89c4c690 R08: 0000000000000000 R09: 00007ffd89c4bd30 [ 42.019352] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ef6e8f1ad0 [ 42.019936] R13: 00007ffd89c4cac0 R14: 000055ef6e8f2bc0 R15: 000055ef6e903780 [ 42.020509] [ 42.020724] irq event stamp: 1755 [ 42.020998] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 42.021687] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80 [ 42.022417] softirqs last enabled at (1462): [] handle_softirqs+0x50c/0x770 [ 42.023210] softirqs last disabled at (1447): [] __irq_exit_rcu+0xc4/0x100 [ 42.023899] ---[ end trace 0000000000000000 ]--- [ 42.712993] ------------[ cut here ]------------ [ 42.713915] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.715962] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/252 [ 42.717437] Modules linked in: [ 42.718068] CPU: 1 UID: 104 PID: 252 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.720091] Tainted: [W]=WARN [ 42.720951] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.722520] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.723453] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 42.726706] RSP: 0018:ffff88801699fbc0 EFLAGS: 00010286 [ 42.727708] RAX: 0000000000000000 RBX: ffffed1002d33f78 RCX: ffffffff813a4050 [ 42.729027] RDX: ffff88800a6a0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.730332] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d33f2f [ 42.731642] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.732984] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801699fdf8 [ 42.734287] FS: 00007fbe866da900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.735750] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.736848] CR2: 00007ffc8dfd3ef8 CR3: 000000000b7bb000 CR4: 0000000000350ef0 [ 42.738154] Call Trace: [ 42.738625] [ 42.739086] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.740001] ? __create_object+0x59/0x80 [ 42.740806] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.741770] __vmalloc_noprof+0x59/0x60 [ 42.742468] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.743326] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.744246] bpf_prog_alloc+0x39/0x200 [ 42.745009] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.745952] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.746871] do_seccomp+0x349/0x25e0 [ 42.747541] ? find_held_lock+0x2b/0x80 [ 42.748295] ? do_prlimit+0x310/0x610 [ 42.749034] ? __pfx_do_seccomp+0x10/0x10 [ 42.749798] ? do_raw_spin_unlock+0x53/0x220 [ 42.750584] ? _raw_spin_unlock+0x1e/0x40 [ 42.751363] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.752324] ? static_key_count+0x60/0x80 [ 42.753154] prctl_set_seccomp+0x4e/0x70 [ 42.753934] __do_sys_prctl+0xe6c/0x1d70 [ 42.754716] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.755537] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.756521] ? irqentry_exit+0xf3/0x650 [ 42.757281] do_syscall_64+0xbf/0x430 [ 42.758025] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.758987] RIP: 0033:0x7fbe86bcc5cd [ 42.759700] 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 [ 42.762925] RSP: 002b:00007ffc8dfd1e00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.764315] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbe86bcc5cd [ 42.765620] RDX: 00005580a9926e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.766943] RBP: 00007ffc8dfd1e60 R08: 0000000000000000 R09: 00007ffc8dfd1500 [ 42.768235] R10: 0000000000000000 R11: 0000000000000246 R12: 00005580ac726ad0 [ 42.769429] R13: 00007ffc8dfd2290 R14: 00005580ac727bc0 R15: 00005580ac738780 [ 42.770520] [ 42.770915] irq event stamp: 1881 [ 42.771427] hardirqs last enabled at (1889): [] __up_console_sem+0x78/0x80 [ 42.772736] hardirqs last disabled at (1898): [] __up_console_sem+0x5d/0x80 [ 42.774024] softirqs last enabled at (1484): [] handle_softirqs+0x50c/0x770 [ 42.775331] softirqs last disabled at (1479): [] __irq_exit_rcu+0xc4/0x100 [ 42.776719] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:15092' (ECDSA) to the list of known hosts. 2025/11/17 15:50:00 fuzzer started 2025/11/17 15:50:00 dialing manager at localhost:37895 2025/11/17 15:50:00 checking machine... 2025/11/17 15:50:00 checking revisions... [ 43.925990] kmemleak: Automatic memory scanning thread ended 2025/11/17 15:50:00 testing simple program... [ 44.012529] cgroup: Unknown subsys name 'net' [ 44.071200] cgroup: Unknown subsys name 'cpuset' [ 44.084954] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 15:49:59 Registers: info registers vcpu 0 RAX=ffff888017530001 RBX=0000000000000001 RCX=0000000000000001 RDX=ffff88801752f901 RSI=ffff88801752f9b8 RDI=ffff88801752f9b8 RBP=ffff88806ce08ac8 RSP=ffff88806ce089f8 R8 =ffffffff86d7e43a R9 =ffff88806ce08ab0 R10=000000000003c9ed R11=000000000009bb58 R12=ffff88806ce08ad0 R13=ffff88806ce08ab8 R14=ffff88801752f9c0 R15=ffff88806ce08a70 RIP=ffffffff8135da20 RFL=00000202 [-------] 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 00007fc76b985700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4f00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f56bd21b008 CR3=000000000b96b000 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=3a5d3334325b646873732039353a3934 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320323730 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=ffffffff81a5659a RBX=0000000000000001 RCX=0000000000000001 RDX=ffff8880165cf801 RSI=ffff8880165cf800 RDI=ffff8880165cf800 RBP=ffff8880165cf468 RSP=ffff8880165cf3a0 R8 =ffffffff86aaf52c R9 =ffff8880165cf450 R10=000000000003c9ed R11=0000000000023e3c R12=ffff8880165cf470 R13=ffff8880165cf458 R14=ffff8880165cf808 R15=ffff8880165cf410 RIP=ffffffff8135efad RFL=00000202 [-------] 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 00007f56bd24c900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f56bd20c008 CR3=000000000e7b6000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000